In order of most to least common, I believe it is:

.30-06
.270
.243
.308
.300 H&H Mag
.264 Win Mag
.22 Hornet
.220 Swift
.257 Roberts
.375 H&H Mag
.338 Win Mag
.300 Win Mag
.250-3000 Savage
.358 Win
7mm
.458 Win Mag
.35 Rem
.300 Savage


"There's more to optics than meets the eye."--anon

"...most of us would be better off losing half a pound around the waist than half a pound on our rifle."--dhg