4 VW out of 34: Beetle, Squareback, Dual Cab Pickup, and Thing.
AMC fully represented with Gremlin, Matador, and Pacer.
I think Chevy wins at ~10 cars.
A Datsun 510 is the Japanese import.
Quite fun EBay hunting to get a good representation for the period, with a fair number of older models in this neighborhood.