First, you probably want to know if you had a had a beer before. If you have had it before - there will be a "1" counter on the "YOU" stat block:
If you click on this count, the page will refresh any only show your check-ins to that beer.
1. Navigate to the beer you would like to see your personal count for and select the "You" feature above "Friends" and "Everyone"
2. This will take you to the list of check-ins you have for that particular beer.