According to a survey by Amsterdam-based Web analytics firm OneStat.com , the total global usage share of IE increased 2.8 percent since July 2006, bringing Microsoft's share of the browser market worldwide to nearly 86 percent. The company says Mozilla Firefox 's browsers have a total global usage share of 11.49 percent, a decrease of 1.44 percent since July 2006. In the United States, the IE/Firefox ratio is roughly 80 percent to 15 percent, according to OneStat.