You may find this link very informative:
http://gs.statcounter.com/#os-ww-monthly-200907-201012
And look at the stat also country by country.
...
Yes, very intresting link!
http://gs.statcounter.com/#browser-VA-monthly-200907-201012
As we can see the Vatikan repents for his sins, and reverts from FF to the valuable IE (in version 6 + 8) :-).
Don't tell it Jose. ;D