Importantly, this is LocalBitcoins trading volume. The main reason for using LocalBitcoins is for anonymity and avoiding government influence, so I would assume that people trading on LocalBitcoins are afraid of a hostile government. Since it's mainly the government who has money or the elite which would have influence, I doubt it's mostly rich people who are using LocalBitcoins. I would see it as a more grass roots movement.
or just as likely there ain't no exchange there. even if there was, sometimes it's too much of a pain in the ass to get verified.