Sorry if this is a dumb question. I saw the description page mentioned there being three lists, but I didn't know if that meant it was just all or nothing from whichever of those three a person chooses, or if you can pick say, the U.S. list and then further decide which of the vehicles within that list will spawn too?

Just asking because it's an awful lot of cars and I would rather only include the vehicles I'm personally interested in so as to not muddle the spawn chances of other specific vehicle mods I've downloaded, if that makes sense.