Actually it is depends upon your rank and depends what bounty have you participated. Most of times bounty pay you in stakes.
Let's take my personal earning from bounty -
TEL - 0.3 BTC
MTIP- total 1710 token which is equal to 2.87 ETH approx
These are the earning that i earned from bounty till now
That's really amazing
What bounties were you doing? Twitter, Facebook, videos etc
How many followers do you have?