The Mozilla Firefox Browser
Mozilla Firefox is an open-source web browser developed by Mozilla.
Firefox is available for Windows, macOS, Linux, and Android.
Firefox uses the Gecko rendering engine.
Download Firefox
Firefox Statistics
The numbers below are shown in percentages, and are extracted from
W3Schools' Statistics.
  
    | 2022 | 
    Total | 
    106 | 
    105 | 
    104 | 
    103 | 
    102 | 
    101 | 
    100 | 
    99 | 
    98 | 
    97 | 
    96 | 
    95 | 
    Older |  
  
  
    | October | 
    5.2 | 
    1.3 | 
    2.8 | 
    0.2 | 
    0.1 | 
    0.3 | 
    0.1 | 
    0.0 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.3 | 
  
  
    | September | 
    5.2 | 
      | 
    0.9 | 
    3.3 | 
    0.2 | 
    0.2 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.6 | 
  
  
    | August | 
    5.2 | 
      | 
      | 
    0.8 | 
    3.5 | 
    0.2 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.4 | 
  
  
    | July | 
    5.0 | 
      | 
      | 
      | 
    0.5 | 
    3.4 | 
    0.4 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.9 | 
  
  
    | June | 
    5.1 | 
      | 
      | 
      | 
      | 
    0.2 | 
    3.2 | 
    0.6 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    1.0 | 
  
  
    | May | 
    5.3 | 
      | 
      | 
      | 
      | 
      | 
      | 
    3.3 | 
    1.0 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.8 | 
  
  
    | April | 
    5.3 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    3.1 | 
    1.2 | 
    0.1 | 
    0.0 | 
    0.1 | 
    0.7 | 
  
  
    | March | 
    5.3 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    2.6 | 
    1.5 | 
    0.1 | 
    0.0 | 
    0.9 | 
  
  
    | February | 
    5.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    2.6 | 
    1.9 | 
    0.1 | 
    0.6 | 
  
  
    | January | 
    5.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    2.5 | 
    2.1 | 
    0.7 | 
  
 
  
    | 2021 | 
    Total | 
    96 | 
    95 | 
    94 | 
    93 | 
    92 | 
    91 | 
    90 | 
    89 | 
    88 | 
    87 | 
    86 | 
    85 | 
    Older |  
  
  
    | December | 
    5.5 | 
    0.1 | 
    3.0 | 
    1.6 | 
    0.1 | 
    0.1 | 
    0.2 | 
    0.0 | 
    0.0 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.3 | 
  
  
    | November | 
    5.8 | 
      | 
    0.2 | 
    4.1 | 
    0.9 | 
    0.1 | 
    0.2 | 
    0.0 | 
    0.0 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.2 | 
  
  
    | October | 
    5.7 | 
      | 
      | 
    0.2 | 
    3.2 | 
    1.5 | 
    0.2 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.4 | 
  
  
    | September | 
    5.6 | 
      | 
      | 
      | 
      | 
    3.1 | 
    1.7 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.5 | 
  
  
    | August | 
    5.6 | 
      | 
      | 
      | 
      | 
    0.2 | 
    2.7 | 
    1.9 | 
    0.2 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.5 | 
  
  
    | July | 
    5.6 | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    1.9 | 
    3.0 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.5 | 
  
  
    | June | 
    5.6 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    4.0 | 
    0.8 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.5 | 
  
  
    | May | 
    5.8 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    4.6 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.7 | 
  
  
    | April | 
    6.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    1.4 | 
    3.4 | 
    0.2 | 
    0.1 | 
    0.9 | 
  
  
    | March | 
    6.3 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.9 | 
    4.0 | 
    0.3 | 
    1.0 | 
  
  
    | February | 
    6.6 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.6 | 
    4.5 | 
    1.4 | 
  
  
    | January | 
    6.7 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.6 | 
    6.1 | 
  
 
    
    | 2020 | 
    Total | 
    84 | 
    83 | 
    82 | 
    81 | 
    80 | 
    79 | 
    78 | 
    77 | 
    76 | 
    75 | 
    74 | 
    Older |  
  
    
    | December | 
    6.7 | 
    2.1 | 
    3.3 | 
    0.2 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.4 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.5 | 
    
    
    | November | 
    7.1 | 
    0.1 | 
    2.0 | 
    3.7 | 
    0.4 | 
    0.1 | 
    0.1 | 
    0.3 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.4 | 
    
    
    | October | 
    7.1 | 
      | 
    0.1 | 
    1.1 | 
    5.0 | 
    0.3 | 
    0.1 | 
    0.3 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.0 | 
    0.2 | 
    
    
    | September | 
    7.2 | 
      | 
      | 
    0.1 | 
    1.1 | 
    4.6 | 
    0.2 | 
    0.2 | 
    0.0 | 
    0.1 | 
    0.0 | 
    0.0 | 
    0.9 | 
    
    
    | August | 
    7.3 | 
      | 
      | 
      | 
      | 
    0.8 | 
    4.7 | 
    0.4 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.0 | 
    1.2 | 
    
    
    | July | 
    7.6 | 
      | 
      | 
      | 
      | 
      | 
    0.4 | 
    4.8 | 
    1.0 | 
    0.1 | 
    0.0 | 
    0.0 | 
    1.3 | 
    
    
    | June | 
    8.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    5.1 | 
    1.2 | 
    0.1 | 
    0.1 | 
    1.3 | 
    
    
    | May | 
    8.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    5.0 | 
    2.0 | 
    0.2 | 
    1.0 | 
    
    
    | April | 
    8.6 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    4.6 | 
    2.4 | 
    1.3 | 
    
    
    | March | 
    8.7 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    3.9 | 
    4.6 | 
    
    
    | February | 
    8.7 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    8.4 | 
    
    
    | January | 
    9.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    9.1 | 
    
 
    
    | 2019 | 
    Total | 
    72 | 
    71 | 
    70 | 
    69 | 
    68 | 
    67 | 
    66 | 
    65 | 
    64 | 
    Older |  
  
    
    | December | 
    9.0 | 
    0.4 | 
    4.7 | 
    2.0 | 
    0.2 | 
    0.5 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.8 | 
    
    
    | November | 
    9.2 | 
      | 
    0.4 | 
    6.7 | 
    0.4 | 
    0.5 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.1 | 
    0.8 | 
    
    
    | October | 
    9.4 | 
      | 
    0.2 | 
    1.5 | 
    5.5 | 
    0.4 | 
    0.1 | 
    0.1 | 
    0.0 | 
    0.1 | 
    1.5 | 
    
    
    | September | 
    9.1 | 
      | 
      | 
    0.4 | 
    5.0 | 
    1.7 | 
    0.2 | 
    0.2 | 
    0.1 | 
    0.0 | 
    1.5 | 
    
    
    | August | 
    9.2 | 
      | 
      | 
      | 
    0.4 | 
    6.7 | 
    0.3 | 
    0.2 | 
    0.1 | 
    0.1 | 
    1.4 | 
    
    
    | July | 
    9.3 | 
      | 
      | 
      | 
    0.3 | 
    3.9 | 
    3.0 | 
    0.3 | 
    0.2 | 
    0.1 | 
    1.5 | 
    
    
    | June | 
    9.4 | 
      | 
      | 
      | 
      | 
    0.5 | 
    6.6 | 
    0.4 | 
    0.1 | 
    0.1 | 
    1.7 | 
    
    
    | May | 
    9.5 | 
      | 
      | 
      | 
      | 
    0.2 | 
    1.9 | 
    5.4 | 
    0.2 | 
    0.1 | 
    1.7 | 
    
    
    | April | 
    9.6 | 
      | 
      | 
      | 
      | 
      | 
    0.5 | 
    6.8 | 
    0.4 | 
    0.2 | 
    1.7 | 
    
    
    | March | 
    9.6 | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    1.7 | 
    5.6 | 
    0.2 | 
    1.0 | 
    
    
    | February | 
    10.0 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.5 | 
    6.4 | 
    1.2 | 
    1.9 | 
    
  
    | January | 
    10.2 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.6 | 
    7.1 | 
    2.4 | 
  
 
    
    | 2018 | 
    Total | 
    65 | 
    64 | 
    63 | 
    62 | 
    61 | 
    60 | 
    59 | 
    58 | 
    57 | 
    Older |  
  
    
    | December | 
    10.1 | 
    0.3 | 
    3.3 | 
    3.8 | 
    0.2 | 
    0.2 | 
    0.6 | 
    0.1 | 
    0.0 | 
    0.1 | 
    1.5 | 
    
    
    | November | 
    10.2 | 
      | 
    0.5 | 
    6.9 | 
    0.5 | 
    0.3 | 
    0.6 | 
    0.1 | 
    0.1 | 
    0.1 | 
    1.5 | 
    
    
    | October | 
    10.1 | 
      | 
      | 
    1.5 | 
    6.1 | 
    0.4 | 
    0.6 | 
    0.1 | 
    0.1 | 
    0.1 | 
    1.2 | 
    
    
    | September | 
    10.3 | 
      | 
      | 
    0.5 | 
    5.0 | 
    2.4 | 
    0.5 | 
    0.1 | 
    0.1 | 
    0.1 | 
    1.6 | 
    
    
    | August | 
    10.6 | 
      | 
      | 
    0.1 | 
    0.5 | 
    7.7 | 
    0.3 | 
    0.2 | 
    0.1 | 
    0.1 | 
    1.6 | 
    
    
    | July | 
    10.8 | 
      | 
      | 
      | 
    0.7 | 
    6.7 | 
    1.4 | 
    0.2 | 
    0.1 | 
    0.2 | 
    1.5 | 
    
    
    | June | 
    10.9 | 
      | 
      | 
      | 
    0.1 | 
    0.7 | 
    7.6 | 
    0.3 | 
    0.1 | 
    0.2 | 
    1.9 | 
    
    
    | May | 
    10.9 | 
      | 
      | 
      | 
      | 
    0.4 | 
    4.0 | 
    4.1 | 
    0.2 | 
    0.2 | 
    2.0 | 
    
    
    | April | 
    11.2 | 
      | 
      | 
      | 
      | 
      | 
    0.5 | 
    7.8 | 
    0.4 | 
    0.3 | 
    2.2 | 
    
    
    | March | 
    11.5 | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    3.8 | 
    4.7 | 
    0.5 | 
    2.2 | 
    
    
    | February | 
    11.8 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.7 | 
    7.5 | 
    0.9 | 
    2.7 | 
    
  
    | January | 
    12.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    1.5 | 
    7.8 | 
    2.9 | 
  
 
    
    | 2017 | 
    Total | 
    58 | 
    57 | 
    56 | 
    55 | 
    54 | 
    53 | 
    52 | 
    51 | 
    50 | 
    Older |  
  
    
    | December | 
    12.4 | 
    0.7 | 
    8.9 | 
    0.4 | 
    0.2 | 
    0.2 | 
    0.1 | 
    0.7 | 
    0.1 | 
    0.1 | 
    1.0 | 
    
    
    | November | 
    12.5 | 
    0.4 | 
    4.1 | 
    4.7 | 
    0.3 | 
    0.2 | 
    0.1 | 
    0.9 | 
    0.1 | 
    0.1 | 
    1.6 | 
    
    
    | October | 
    12.1 | 
      | 
    0.6 | 
    7.1 | 
    1.9 | 
    0.4 | 
    0.2 | 
    0.8 | 
    0.1 | 
    0.1 | 
    0.9 | 
    
    
    | September | 
    12.8 | 
      | 
    0.1 | 
    0.6 | 
    8.0 | 
    0.8 | 
    0.2 | 
    0.8 | 
    0.1 | 
    0.1 | 
    2.1 | 
    
    
    | August | 
    13.1 | 
      | 
      | 
    0.3 | 
    2.6 | 
    6.9 | 
    0.3 | 
    1.0 | 
    0.1 | 
    0.2 | 
    1.7 | 
    
    
    | July | 
    13.3 | 
      | 
      | 
      | 
    0.6 | 
    9.0 | 
    0.4 | 
    1.0 | 
    0.2 | 
    0.2 | 
    1.9 | 
    
    
    | June | 
    13.3 | 
      | 
      | 
      | 
    0.2 | 
    3.6 | 
    6.5 | 
    0.8 | 
    0.2 | 
    0.2 | 
    1.8 | 
    
    
    | May | 
    13.6 | 
      | 
      | 
      | 
      | 
    0.6 | 
    8.9 | 
    0.9 | 
    0.2 | 
    0.3 | 
    2.7 | 
    
    
    | April | 
    13.6 | 
      | 
      | 
      | 
      | 
    0.3 | 
    2.2 | 
    7.5 | 
    0.5 | 
    0.3 | 
    2.8 | 
    
    
    | March | 
    14.1 | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.3 | 
    5.3 | 
    4.5 | 
    0.4 | 
    3.5 | 
    
    
    | February | 
    15.0 | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.7 | 
    9.5 | 
    1.1 | 
    3.6 | 
    
  
    | January | 
    15.4 | 
      | 
      | 
      | 
      | 
      | 
     | 
    0.2 | 
    2.9 | 
    8.9 | 
    3.4 | 
    
 
    
    | 2016 | 
    Total | 
    51 | 
    50 | 
    49 | 
    48 | 
    47 | 
    46 | 
    45 | 
    44 | 
    43 | 
    Older |  
    
    
    | December | 
    15.5 | 
    0.6 | 
    10.3 | 
    0.7 | 
    0.4 | 
    0.7 | 
    0.2 | 
    1.4 | 
    0.3 | 
    0.3 | 
    0.6 | 
    
    
    | November | 
    15.3 | 
    0.3 | 
    4.0 | 
    7.1 | 
    0.5 | 
    0.8 | 
    0.2 | 
    0.8 | 
    0.4 | 
    0.2 | 
    1.0 | 
    
  
    | October | 
    15.7 | 
    0.1 | 
    0.5 | 
    10.0 | 
    1.1 | 
    1.1 | 
    0.2 | 
    0.8 | 
    0.2 | 
    0.4 | 
    1.3 | 
    
  
    | September | 
    16.3 | 
      | 
    0.2 | 
    2.4 | 
    8.2 | 
    1.8 | 
    0.3 | 
    0.8 | 
    0.3 | 
    0.4 | 
    1.9 | 
    
  
    | August | 
    16.8 | 
      | 
    0.2 | 
    0.6 | 
    4.8 | 
    7.3 | 
    0.4 | 
    0.8 | 
    0.4 | 
    0.4 | 
    1.9 | 
    
  
    | July | 
    17.1 | 
      | 
      | 
    0.1 | 
    0.9 | 
    11.7 | 
    0.5 | 
    0.9 | 
    0.4 | 
    0.4 | 
    2.2 | 
    
  
    | June | 
    17.0 | 
      | 
      | 
    0.1 | 
    0.5 | 
    7.5 | 
    4.5 | 
    0.9 | 
    0.4 | 
    0.5 | 
    3.6 | 
    
  
    | May | 
    16.9 | 
      | 
      | 
      | 
    0.1 | 
    0.7 | 
    9.6 | 
    2.5 | 
    0.6 | 
    0.6 | 
    2.8 | 
    
  
    | April | 
    17.5 | 
      | 
      | 
      | 
      | 
    0.2 | 
    1.0 | 
    11.5 | 
    1.2 | 
    0.7 | 
    2.9 | 
    
  
    | March | 
    17.8 | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.6 | 
    5.2 | 
    7.1 | 
    1.0 | 
    3.8 | 
    
  
    | February | 
    18.6 | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    0.8 | 
    8.8 | 
    4.6 | 
    4.2 | 
    
  
    | January | 
    18.8 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    1.4 | 
    12.8 | 
    4.4 | 
    
 
    
    | 2015 | 
    Total | 
    43 | 
    42 | 
    41 | 
    40 | 
    39 | 
    38 | 
    37 | 
    36 | 
    35 | 
    Older |  
    
  
    | December | 
    19.1 | 
    4.8 | 
    9.3 | 
    0.6 | 
    0.5 | 
    0.4 | 
    1.3 | 
    0.2 | 
    0.1 | 
    0.2 | 
    2.3 | 
    
  
    | November | 
    19.2 | 
    0.7 | 
    9.9 | 
    4.2 | 
    0.8 | 
    0.5 | 
    1.2 | 
    0.2 | 
    0.1 | 
    0.2 | 
    1.4 | 
    
  
    | October | 
    20.0 | 
    0.2 | 
    0.8 | 
    12.7 | 
    2.1 | 
    0.6 | 
    1.3 | 
    0.3 | 
    0.2 | 
    0.3 | 
    1.5 | 
    
  
    | September | 
    20.6 | 
      | 
    0.2 | 
    1.9 | 
    13.3 | 
    1.1 | 
    1.4 | 
    0.3 | 
    0.2 | 
    0.4 | 
    1.8 | 
    
  
    | August | 
    21.2 | 
      | 
    0.1 | 
    0.6 | 
    6.8 | 
    7.7 | 
    1.2 | 
    0.8 | 
    0.5 | 
    0.6 | 
    2.9 | 
    
  
    | July | 
    21.6 | 
      | 
      | 
      | 
    0.7 | 
    10.6 | 
    4.5 | 
    0.5 | 
    0.7 | 
    0.5 | 
    4.1 | 
    
  
    | June | 
    21.3 | 
      | 
      | 
      | 
    0.2 | 
    0.8 | 
    14.8 | 
    1.0 | 
    0.5 | 
    0.4 | 
    3.8 | 
    
  
    | May | 
    21.5 | 
      | 
      | 
      | 
      | 
    0.1 | 
    7.2 | 
    9.2 | 
    0.6 | 
    0.6 | 
    3.9 | 
    
  
    | April | 
    21.6 | 
      | 
      | 
      | 
      | 
      | 
    1.0 | 
    12.1 | 
    3.9 | 
    0.8 | 
    3.8 | 
    
  
    | March | 
    22.1 | 
      | 
      | 
      | 
      | 
      | 
    0.2 | 
    1.0 | 
    13.2 | 
    2.8 | 
    4.9 | 
    
  
    | February | 
    22.9 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    2.0 | 
    14.9 | 
    5.7 | 
    
  
    | January | 
    23.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.7 | 
    8.5 | 
    14.2 | 
    
 
    
    
    | 2014 | 
    Total | 
    34 | 
    33 | 
    32 | 
    31 | 
    30 | 
    29 | 
    28 | 
    27 | 
    26 | 
    Older |  
    
  
    | December | 
    23.6 | 
    11.3 | 
    6.2 | 
    0.6 | 
    1.0 | 
    0.5 | 
    0.3 | 
    0.2 | 
    0.1 | 
    0.2 | 
    3.2 | 
    
  
    | November | 
    23.4 | 
    1.2 | 
    15.4 | 
    2.3 | 
    1.1 | 
    0.7 | 
    0.3 | 
    0.2 | 
    0.2 | 
    0.2 | 
    1.8 | 
    
  
    | October | 
    23.4 | 
    0.4 | 
    4.0 | 
    13.4 | 
    1.3 | 
    0.6 | 
    0.4 | 
    0.2 | 
    0.2 | 
    0.2 | 
    2.7 | 
    
  
    | September | 
    24.0 | 
      | 
    0.8 | 
    10.9 | 
    6.7 | 
    1.0 | 
    0.5 | 
    0.3 | 
    0.2 | 
    0.2 | 
    3.4 | 
    
  
    | August | 
    24.7 | 
      | 
      | 
    1.3 | 
    17.0 | 
    1.5 | 
    0.8 | 
    0.4 | 
    0.2 | 
    0.3 | 
    3.2 | 
    
  
    | July | 
    24.9 | 
      | 
      | 
      | 
    3.1 | 
    15.6 | 
    1.1 | 
    0.6 | 
    0.2 | 
    0.4 | 
    3.9 | 
    
  
    | June | 
    25.1 | 
      | 
      | 
      | 
      | 
    9.0 | 
    10.5 | 
    0.7 | 
    0.4 | 
    0.4 | 
    4.1 | 
    
  
    | May | 
    24.9 | 
      | 
      | 
      | 
      | 
    0.1 | 
    14.2 | 
    5.2 | 
    0.5 | 
    0.5 | 
    4.4 | 
    
  
    | April | 
    25.0 | 
      | 
      | 
      | 
      | 
      | 
    1.1 | 
    18.1 | 
    1.2 | 
    0.7 | 
    3.9 | 
    
  
    | March | 
    25.6 | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    3.4 | 
    16.3 | 
    1.0 | 
    4.6 | 
    
  
    | February | 
    26.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.6 | 
    11.7 | 
    8.7 | 
    5.4 | 
    
  
    | January | 
    26.9 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    1.2 | 
    18.9 | 
    6.8 | 
    
 
    
    
    | 2013 | 
    Total | 
    26 | 
    25 | 
    24 | 
    23 | 
    22 | 
    21 | 
    20 | 
    19 | 
    18 | 
    17 | 
    Older |  
    
  
    | December | 
    26.8 | 
    6.9 | 
    13.3 | 
    1.1 | 
    0.5 | 
    0.4 | 
    0.3 | 
    0.4 | 
    0.2 | 
    0.2 | 
    0.5 | 
    3.0 | 
    
  
    | November | 
    26.8 | 
    1.0 | 
    16.2 | 
    3.5 | 
    0.7 | 
    0.5 | 
    0.4 | 
    0.4 | 
    0.3 | 
    0.2 | 
    0.7 | 
    2.9 | 
    
  
    | October | 
    27.2 | 
    0.1 | 
    1.3 | 
    18.4 | 
    2.0 | 
    0.7 | 
    0.4 | 
    0.5 | 
    0.3 | 
    0.4 | 
    0.7 | 
    2.5 | 
    
  
    | September | 
    27.8 | 
    0.1 | 
    0.3 | 
    3.1 | 
    17.5 | 
    1.0 | 
    0.6 | 
    0.5 | 
    0.3 | 
    0.4 | 
    0.9 | 
    3.2 | 
    
  
    | August | 
    28.2 | 
      | 
      | 
    0.7 | 
    10.8 | 
    9.9 | 
    1.0 | 
    0.7 | 
    0.4 | 
    0.4 | 
    0.8 | 
    3.5 | 
    
  
    | July | 
    28.9 | 
      | 
      | 
    0.1 | 
    1.2 | 
    18.0 | 
    3.1 | 
    1.0 | 
    0.5 | 
    0.5 | 
    0.8 | 
    3.7 | 
    
  
    | June | 
    28.9 | 
      | 
      | 
      | 
    0.1 | 
    1.7 | 
    19.8 | 
    1.3 | 
    0.7 | 
    0.5 | 
    0.8 | 
    4.0 | 
    
  
    | May | 
    27.7 | 
      | 
      | 
      | 
    0.1 | 
    0.5 | 
    6.5 | 
    14.0 | 
    0.9 | 
    0.6 | 
    0.8 | 
    4.3 | 
    
  
    | April | 
    27.9 | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.7 | 
    12.9 | 
    7.3 | 
    0.8 | 
    0.8 | 
    5.9 | 
    
  
    | March | 
    28.5 | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.9 | 
    19.0 | 
    1.4 | 
    0.9 | 
    6.2 | 
    
  
    | February | 
    29.6 | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.2 | 
    4.6 | 
    16.0 | 
    1.2 | 
    7.5 | 
    
  
    | January | 
    30.2 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.6 | 
    12.4 | 
    8.3 | 
    8.8 | 
    
 
    
    
    | 2012 | 
    Total | 
    17 | 
    16 | 
    15 | 
    14 | 
    13 | 
    12 | 
    11 | 
     9-10 | 
    4-8 | 
    3.6 | 
    Older |  
    
  
    | December | 
    31.1 | 
    16.3 | 
    5.6 | 
    1.3 | 
    1.0 | 
    0.7 | 
    1.1 | 
    0.6 | 
    1.2 | 
    1.2 | 
    0.8 | 
    1.3 | 
    
  
    | November | 
    31.2 | 
    2.5 | 
    19.4 | 
    1.8 | 
    1.2 | 
    0.8 | 
    1.2 | 
    0.6 | 
    1.3 | 
    1.3 | 
    0.8 | 
    0.3 | 
    
  
    | October | 
    31.8 | 
    0.4 | 
    9.5 | 
    12.4 | 
    1.8 | 
    1.0 | 
    1.4 | 
    0.8 | 
    1.4 | 
    1.6 | 
    1.0 | 
    0.5 | 
    
  
    | September | 
    32.2 | 
      | 
    0.8 | 
    17.7 | 
    4.8 | 
    1.3 | 
    1.6 | 
    1.0 | 
    1.6 | 
    1.9 | 
    1.2 | 
    0.3 | 
    
  
    | August | 
    32.8 | 
      | 
      | 
    1.9 | 
    20.3 | 
    2.1 | 
    1.8 | 
    1.1 | 
    1.7 | 
    2.1 | 
    1.2 | 
    0.7 | 
    
  
    | July | 
    33.7 | 
      | 
      | 
    0.3 | 
    7.4 | 
    15.2 | 
    3.0 | 
    1.3 | 
    2.1 | 
    2.4 | 
    1.5 | 
    0.5 | 
    
  
    | June | 
    34.4 | 
      | 
      | 
      | 
    0.6 | 
    12.1 | 
    12.5 | 
    1.6 | 
    2.3 | 
    2.7 | 
    1.8 | 
    0.8 | 
    
  
    | May | 
    35.2 | 
      | 
      | 
      | 
    0.1 | 
    0.8 | 
    21.4 | 
    3.8 | 
    2.7 | 
    3.4 | 
    2.3 | 
    0.7 | 
    
  
    | April | 
    35.8 | 
      | 
      | 
      | 
      | 
    0.1 | 
    2.6 | 
    21.6 | 
    3.8 | 
    3.8 | 
    3.1 | 
    0.8 | 
    
  
    | March | 
    36.3 | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    9.1 | 
    17.3 | 
    5.0 | 
    3.7 | 
    0.9 | 
    
  
    | February | 
    37.1 | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    0.6 | 
    24.2 | 
    6.5 | 
    4.3 | 
    1.4 | 
    
  
    | January | 
    37.2 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.1 | 
    18.6 | 
    12.4 | 
    5.0 | 
    1.1 | 
    
 
    
    
    | 2011 | 
    Total | 
      | 
    FF 9 | 
    FF 8 | 
    FF 7 | 
    FF 6 | 
    FF 5 | 
    FF4 | 
    FF3.6 | 
    FF3.5 | 
    FF3.0 | 
    Older |  
    
  
    | December | 
    37.7 | 
      | 
    1.8 | 
    22.8 | 
    2.1 | 
    1.5 | 
    1.2 | 
    1.3 | 
    5.6 | 
    0.6 | 
    0.5 | 
    0.3 | 
    
  
    | November | 
    38.1 | 
      | 
    0.4 | 
    12.7 | 
    11.5 | 
    2.2 | 
    1.5 | 
    1.5 | 
    6.9 | 
    0.6 | 
    0.5 | 
    0.3 | 
    
  
    | October | 
    38.7 | 
      | 
      | 
    0.6 | 
    19.8 | 
    5.1 | 
    2.0 | 
    1.8 | 
    7.9 | 
    0.7 | 
    0.5 | 
    0.3 | 
    
  
    | September | 
    39.7 | 
      | 
      | 
      | 
    1.5 | 
    22.2 | 
    3.1 | 
    2.2 | 
    9.0 | 
    0.7 | 
    0.7 | 
    0.3 | 
    
  
    | August | 
    40.6 | 
      | 
      | 
      | 
      | 
    9.5 | 
    15.9 | 
    2.9 | 
    10.3 | 
    0.8 | 
    0.8 | 
    0.4 | 
    
  
    | July | 
    42.0 | 
      | 
      | 
      | 
      | 
    0.6 | 
    23.2 | 
    4.6 | 
    11.5 | 
    0.9 | 
    0.9 | 
    0.3 | 
    
  
    | June | 
    42.2 | 
      | 
      | 
      | 
      | 
      | 
    5.6 | 
    21.5 | 
    12.3 | 
    1.5 | 
    0.9 | 
    0.4 | 
    
  
    | May | 
    42.4 | 
      | 
      | 
      | 
      | 
      | 
    0.3 | 
    23.4 | 
    15.6 | 
    1.8 | 
    1.0 | 
    0.3 | 
    
  
    | April | 
    42.9 | 
      | 
      | 
      | 
      | 
      | 
      | 
    15.7 | 
    23.8 | 
    2.1 | 
    1.1 | 
    0.2 | 
    
  
    | March | 
    42.2 | 
      | 
      | 
      | 
      | 
      | 
      | 
    5.2 | 
    32.9 | 
    2.5 | 
    1.3 | 
    0.3 | 
    
  
    | February | 
    42.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
    1.9 | 
    35.8 | 
    2.9 | 
    1.5 | 
    0.3 | 
    
  
    | January | 
    42.8 | 
      | 
      | 
      | 
      | 
      | 
      | 
    1.5 | 
    36.1 | 
    3.1 | 
    1.7 | 
    0.4 | 
    
 
    
  
    | 2010 | 
    Total | 
      | 
      | 
      | 
      | 
      | 
      | 
    FF4 | 
    FF3.6 | 
    FF3.5 | 
    FF3.0 | 
    Older |       
    
  
    | December | 
    43.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
    1.1 | 
    36.5 | 
    3.5 | 
    2.0 | 
    0.4 | 
    
  
    | November | 
    44.0 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.8 | 
    36.9 | 
    3.8 | 
    2.0 | 
    0.5 | 
    
  
    | October | 
    44.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.7 | 
    36.2 | 
    4.5 | 
    2.4 | 
    0.6 | 
    
  
    | September | 
    45.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.8 | 
    35.3 | 
    5.6 | 
    2.9 | 
    0.5 | 
    
  
    | August | 
    45.8 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.6 | 
    35.2 | 
    6.1 | 
    3.1 | 
    0.6 | 
    
  
    | July | 
    46.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
    0.4 | 
    34.5 | 
    7.3 | 
    3.6 | 
    0.6 | 
    
  
    | June | 
    46.6 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    32.7 | 
    9.1 | 
    4.0 | 
    0.8 | 
    
  
    | May | 
    46.9 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    31.7 | 
    10.0 | 
    4.4 | 
    0.8 | 
    
  
    | April | 
    46.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    29.4 | 
    11.5 | 
    4.6 | 
    0.9 | 
    
  
    | March | 
    46.2 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    22.1 | 
    17.6 | 
    5.6 | 
    0.9 | 
    
  
    | February | 
    46.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    10.5 | 
    28.5 | 
    6.5 | 
    1.0 | 
    
  
    | January | 
    46.3 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    2.2 | 
    34.2 | 
    8.6 | 
    1.3 | 
    
 
    
  
    | 2009 | 
    Total | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    FF3.5 | 
    FF3.0 | 
    FF2.0 | 
    Older |       
    
  
    | December | 
    46.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    33.3 | 
    11.2 | 
    1.2 | 
    0.7 | 
    
  
    | November | 
    47.0 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    31.4 | 
    13.6 | 
    1.5 | 
    0.5 | 
    
  
    | October | 
    47.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    29.8 | 
    15.7 | 
    1.6 | 
    0.4 | 
    
  
    | September | 
    46.6 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    27.3 | 
    17.2 | 
    1.8 | 
    0.3 | 
    
  
    | August | 
    47.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    21.0 | 
    24.0 | 
    1.9 | 
    0.5 | 
    
  
    | July | 
    47.9 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    12.1 | 
    33.3 | 
    1.9 | 
    0.6 | 
    
  
    | June | 
    47.3 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    1.2 | 
    43.4 | 
    2.3 | 
    0.4 | 
    
  
    | May | 
    47.7 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    44.3 | 
    2.9 | 
    0.5 | 
    
  
    | April | 
    47.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    43.4 | 
    2.8 | 
    0.9 | 
    
  
    | March | 
    46.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    42.2 | 
    3.0 | 
    1.3 | 
    
  
    | February | 
    46.4 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    41.5 | 
    3.8 | 
    1.1 | 
    
  
    | January | 
    45.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    39.5 | 
    4.6 | 
    1.4 | 
    
 
    
   
    | 2008 | 
    Total | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    FF3.0 | 
    FF2.0 | 
    FF1.5 | 
    Moz |     
  
  
    | December | 
    44.7 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    38.1 | 
    6.2 | 
    0.1 | 
    0.3 | 
  
  
    | November | 
    44.6 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    35.9 | 
    8.0 | 
    0.3 | 
    0.4 | 
  
  
    | October | 
    44.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    34.9 | 
    8.7 | 
    0.4 | 
    0.5 | 
  
  
    | September | 
    43.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    31.9 | 
    10.1 | 
    0.6 | 
    0.5 | 
  
  
    | August | 
    44.2 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    25.5 | 
    17.5 | 
    0.7 | 
    0.5 | 
  
  
    | July | 
    43.1 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    20.7 | 
    21.1 | 
    0.8 | 
    0.5 | 
  
  
    | June | 
    41.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    8.9 | 
    31.2 | 
    0.9 | 
    0.5 | 
    
  
    | May | 
    40.5 | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
    2.9 | 
    35.9 | 
    1.0 | 
    0.7 |