When I went in 2005 there weren't many Mopars, and only one or two other 1970 Darts. A few e bodies and b bodies, but the majority of the cars were GM products, lots of Chevelles and Camaros.
Last time I went in 2019, there were a bunch of Mopars, several E and B bodies, quite a few darts, tons of late model challengers. Still out numbered by brand x but we always will be