{"cap_hist":"1000","freq":2589,"comment":"singe tag;  not seen again"}
{"cap_hist":"1010","freq":218,"comment":"A single tag; recovered"}
{"cap_hist":"1111","freq":35,"comment":"BB double tagged; recovered with double tags"}
{"cap_hist":"111X","freq":24,"comment":"Double tagged; recovered with a single tag but cannot tell which tag was lost"}
{"cap_hist":"1100","freq":432,"comment":"double tagged; not seen again"}
{"cap_hist":"0010","freq":11167,"comment":"U - apparently captured for first time at t2 but this includes fish that lost all tags"}