Usually far, far, FAR moreso. After all, everybody my age swears. Us young twenty-somethings are a rude generation.
I guess Americans are different than us up here. In all the games I saw at the Big Oh, the worst I heard was someone saying chitt (be it in English or French) And every time anyone would say it, someone nearby would get on them for swearing in front of the kids. I've seen some pretty big guys turn pink after being put in their place by a tiny woman...
Baseball is the cause for more grumblings than any sport I know. We grumble plays the players mess up, that most in the stands wouldn't be able make on their best day. You give a baseball one great game and they expect every time after that...