>>529209638
I think that's way too small since millions of players play this game. I think a better source would be to see the usage of the Chun-Li skin as of right now since I know that some people don't update their wishlists.
FNGG says that there are 168.3K people that have run the Chun-Li skin this season alone. Assuming that the amount of people that had her skin before this season was small, at 1600 VBs per skin, we can estimate that she made a total of 269280000 V-Bucks. That's about $1,595,533.87 from Chun-Li alone.