According to The Athletic, an Astros fan who felt betrayed took up a project to see how prevalent the cheating was. He spent 50 hours over several weeks going over the available video from 58 home games during the 2017 season. (Not sure why he doesn't have video of 81 home games, but 58 is more than enough sample size).
Out of 8,274 opponent pitches at Minute Maid, there was a distinct trash can bang on 1,143 of them. That's nearly 20 a game, or one every 7.2 pitches for the entire home season. He chronicles it on signstealingscandal.com.
https://theathletic.com/1556919/202...his-own-answers-in-the-sign-stealing-scandal/
Out of 8,274 opponent pitches at Minute Maid, there was a distinct trash can bang on 1,143 of them. That's nearly 20 a game, or one every 7.2 pitches for the entire home season. He chronicles it on signstealingscandal.com.
https://theathletic.com/1556919/202...his-own-answers-in-the-sign-stealing-scandal/