7 coasters at BGT (SheiKra, Montu, Kumba, Gwazi, Scorpion, Python, and Cheetah Chase)
1 coaster at DHS (Rock'nRollercoaster)
2 coasters at AK (Expedition Everest and Primeval Whirl)
3 coasters at MK (Big Thunder Mountain Railroad, Barnstormer, and Space Mountain)
2 coasters at IOA (Hulk and Dragons)
3 coasters at USF (Rockit, Mummy, and Woody Woodpecker)
3 coasters at SWO (Manta, Kraken, and Journey to Atlantis) (I haven't been on Shamu Express)
2 coasters at Santa Cruz Beach Boardwalk (Hurricane and Giant Dipper)
9 coasters at Europa Park (Blue Fire, Silver Star, Euro Mir, Euro Sat, Atlantica Supersplash, Poseidon, Alpenexpress, Matterhorn Blitz, and Swiss Bob Run) (I haven't been on Pegasus)
3 coasters at Disneyland (Space Mountain, Big Thunder Mountain Railroad, and Matterhorn Bobsleds) (I haven't been on Gadget's Go Coaster)
1 coaster at Disney's California Adventure (California Screamin') (Mulholland Madness was becoming Goofy's Sky School, so I couldn't ride it)
8 coasters at Six Flags Magic Mountain (Revolution, X2, Viper, Tatsu, Riddler's Revenge, Goliath, Scream, and Batman: The Ride)
So for now it's 45 (I'm counting water coasters, bobsleds, and defunct coasters).