Firefox 4 officially launched on March 22nd, 2011. Since that date until now, the total of downloads for Firefox Version 4 from Mozilla.com website has reached over 100,000,000 of downloads with over than 1500 downloads per minute.

The country that has the highest downloads is United States with more than 24,000,000 so far. Europe is a continent that has highest downloads with over 39 Millions followed by North America with 30 Millions and Asia with 20 Millions.

You can get the full statistic here at glow.mozilla.org