Can someone tell me WTF is going on with TX fees since the having block, 840,000

Typical blocks are .4 - 2BTC

Blocks since 840,000 have been
37BTC
4 BTC
7 BTC
16 BTC
24 BTC
30 BTC
23 BTC
17 BTC
12 BTC
9 BTC
17 BTC
19 BTC
17 BTC
23 BTC
21 BTC

Transactions seem higher too.  So at this point the mining reward has gone up, by 3-5 fold.