If you speak with Rank Officer Friga in Thurgadin and ask for a progress report she will tell you how many bounties you have claimed. I was too lazy to type it out, so I just took a log file.
[Thu Nov 13 20:45:24 2014] You say, 'Hail, Rank Officer Friga'
[Thu Nov 13 20:45:24 2014] Rank Officer...