I wish I could tell you with great precision. Thanks for this question; it's a great one. I don't have a precise answer to give you on what their actual rules are. In reference to what Daniel was sharing before, I have observed that their participation has increased over time—over decades—and we are just having initial conversations about this. It's an idea that's talked about very little.
As far as who exactly can and cannot vote among the diaspora of the countries named, regrettably I'm uncertain. I wish I could say.