engine - 2:59 pm on Oct 2, 2012 (gmt 0)

According to these stats, 50% is a strong showing.

Microsoft's Internet Explorer still grabs more than half of all traffic among browsers, at least as viewed by Web tracker Net Applications. Leading the desktop browser market for September, IE took home a share of 53.6 percent. That left Firefox in second place with 20 percent and Chrome in third with almost 19 percent. Trailing the top five were Apple's Safari with 5.2 percent and Opera with just 1.6 percent.Report: IE Retain Around 50pct of Browser Market [news.cnet.com]