I'm pretty sure they get more money than smaller countries, too. It's just that there aren't many Mandarin learners here and it's also extremely hard to find out about the scholarship. That is why I believe the success rate is higher.
I wanted to go to CLD in NTU, but I don't know, I already live in a big city and I've been contemplating going to a smaller place like Tainan or Kaohsiung. I've also heard that people in Taipei insist on speaking English and that is something I don't really want to. My oral skills are really lacking compared to reading, writing, etc and that's my reason for wanting to go to Taiwan in the first place; to improve my speaking