I don't have time to go back and look at 2006-2008 right now, but for years 2009-2012, they grossed approximately $40B in revenue. I think it's safe to assume they have at least another $10-15M for those 3 previous years in total, so let's conservatively say $50B.
http://investors.htc.com/phoenix.zhtml?c=148697&p=irol-fundIncomeA