 UFC 52—the first UFC event since its premiere, broke the promotion's record with almost 300,000 buys (in comparison to 250,000 for UFC 5).PPV numbers escalated further in 2006, with its events taking in a gross revenue of $222 million.In October 2016, it was reported that 42% of the UFC's "content revenue" in 2015 came from pay-per-view buys, followed by U.S. and international media rights.