In September 2012, Google Chrome furthered its lead in the browser market share, now leading Internet Explorer by over 5 percent.
In September 2011, Google Chrome and Firefox both gained market share, while IE took a significant drop.
In September 2010, IE lost over 1% in browser market share, while Google Chrome gained over 1% in browser market share.
IE was the only major browser losing market share in September, 2009.
Browser market share for September, 2008.
Browser market share for September 2007.