The final cut of the 9th episode of the Tesla Motors Club Podcast, featuring Balazs Biro, of the prominent Hungarian EV channel Villanyautósok, is now available. You can watch it now on YouTube or listen to it on all major podcast networks.
I think there are a couple guys in the forums that have a database of all Roadsters and might be able to answer your question. Suggest posting to the main old roadster forum. I have one, and have seen several in Kitsap, so there’s at least four!