Funny you ask, becuase I just did an inventory the other day.
.22LR ~ 4500 (many mixed brands and bullet types)
5.56NATO ~ 2300 (mixed brands of FMJ and HP; a few boxes of Hornady ballistic tip)
7.62NATO ~ 1700 (all FMJ surplus)
6.5mm SE ~ 200 (various FMJ and hunting)
.30-06 ~ 700 (all FMJ surplus)
.40 S+W ~ 500 (various brands and loads, mostly 165gr FMJ)
.357 Mag ~ 200 (various brands and types)
12 gauge ~ 300 (everything from light target to 3" goose and turkey loads to 00 buckshot.)
Most is stored/locked in an old Stack-on gun locker.