If you deposit $20, you'll get a 150% bonus, up to $200. If you deposit more than $201, you can also claim a 100% bonus, up to $2000.
For the second deposit, if you deposit at least $20, you'll get a 50% match bonus, up to $2000 or 1 BTC.
For the third deposit, if you deposit at least $20, you'll get a 75% match bonus, up to $2000 or 1 BTC.
If you make your fourth deposit of at least $20, you'll get a 50% match bonus, up to $2000 or 1 BTC.