Today, during their Back to the Mac event at their headquarters in Cupertino, CA, Apple kicked things off with some numbers they wanted to share. COO Tim Cook took the stage to rattle off these numbers. Specifically, he wanted to talk about the Mac.

Of all of Apple’s revenues, Macs represent 33 percent of the revenues in the past year. This means the Mac is a $22 billion business.

CrunchGear and TechCrunch have all the bases covered. We’re working live to bring you breaking news from today’s Apple Event. If you can’t watch the thing where you are, simply pop over here and see our running commentary.