Note: While the last "balance" is the accurate number of bitcoins available to this address, it is likely not the balance available to this person. Every time a transaction is sent, some bitcoins are usually sent back to yourself at a new address (not included in the Bitcoin UI), which makes the balance of a single address misleading. See the wiki for more info on transactions.

c9edd07830... Block 171326 (2012-03-16 03:05:18) 11.59950739 Received: Address 11.59950739
a98aca7e99... Block 177509 (2012-04-28 00:31:15) 11.59950739 Sent: Address 0