Usage share of web browsers

http://www.w3schools.com/browsers/browsers_stats.asp

2010 IE8 IE7 IE6 Firefox Chrome Safari Opera
January 14.3% 11.7% 10.2% 46.3% 10.8% 3.7% 2.2%
2009 IE8 IE7 IE6 Firefox Chrome Safari Opera
December 13.5% 12.8% 10.9% 46.4% 9.8% 3.6% 2.3%
November 13.3% 13.3% 11.1% 47.0% 8.5% 3.8% 2.3%