There's definitely more than a few. If you go back through the network, you should be able to see people talking about it. And it shouldn't be too hard to find other people who went through the same thing, if you ask around.

[She shakes her head] A couple hundred, maybe? Definitely more than one hundred, but I wouldn't say more than three. It fluctuates. People disappear, come back again, remember they were here, have no idea they were here before. They don't make it easy to figure out what's going on, basically. We're here to kill the Big Bad, and that's about all we know.