Uh, WoW is #1 on the page you just linked.
Top Grossing Pay-to-play MMO Games by Revenue, April 2016
#1 World of Warcraft Activision Blizzard
#2 Lineage I NCSoft
#3 Star Wars: The Old Republic Electronic Arts
#4 TERA En Masse Entertainment
#5 Blade and Soul NCSoft
The other ones are free to play, and not mmorpg's lol