There are 16,511,538 Bitcoins in circulation

Blocks mined: 155
Blocks total: 480,923
Minutes between blocks: 8.70
Bitcoins mined: 1,937.50 BTC
Difficulty: 923,233,068,448.00
No. of transactions: 307,138 tx
Hash rate: 7,113,595,538.34 GH/s
Trade volume: 68,976.99 BTC
Total bitcoins sent: 2,958,800.02 BTC