As you have said you work on lots. But there are those that have only a couple and have never had any more.
I can remember taking my son to his Air Force base and hauling in in his desktop computer and one of the other kids asked what it was and when my soon said it was a 386 the other kid said that he got a 486 for Christmas. My comment to the kid was that my son had built his computer. He became the one that they asked their questions to.