brood_year,cwt_1st_mark,cwt_1st_mark_count,cwt_2nd_mark,cwt_2nd_mark_count,non_cwt_1st_mark,non_cwt_1st_mark_count,non_cwt_2nd_mark,non_cwt_2nd_mark_count,first_release_date,last_release_date
"2023","0000","27995",,,"0000","53",,,"20240603","20240603"
"2021","0000","33407",,,"0000","134",,,"20230201","20230213"
"2021","5000","32130","0000","129","5000","129","0000","1","20230201","20230213"
"2021","5000","33807","0000","71",,,,,"20230201","20230213"
"2021","0000","32236",,,"0000","123",,,"20230201","20230213"
"2021","0000","32308",,,"0000","254",,,"20230201","20230213"
"2021","5000","32007","0000","258",,,,,"20230201","20230213"
"2021","0000","36065",,,"0000","76",,,"20221012","20221027"
"2021","5000","35878","0000","433","5000","72",,,"20221012","20221027"
"2021","0000","51885",,,"0000","104",,,"20220601","20220601"
"2021","5000","51884","0000","424",,,,,"20220601","20220601"
"2022","0000","52802",,,"0000","420",,,"20230601","20230601"
"2022","5000","53187","0000","908","5000","91","0000","2","20230601","20230601"
"2022","0000","35172",,,"0000","255",,,"20240205","20240213"
"2022","0000","39244",,,"0000","285",,,"20240205","20240213"
"2022","5000","38737","0000","423","5000","210","0000","2","20240205","20240213"
"2022","0000","37106",,,"0000","345",,,"20240205","20240213"
"2022","5000","36544","0000","937","5000","70","0000","2","20240205","20240213"
"2022","5000","35385","0000","206",,,,,"20240205","20240213"
"2022","0000","40407",,,"0000","553",,,"20231003","20231025"
"2022","5000","38976","0000","569","5000","491","0000","8","20231003","20231025"
"2023","0000","39467",,,,,,,"20241001","20241014"
"2023","5000","39321",,,"5000","146",,,"20241001","20241014"
"2023","5000","27866","0000","163","5000","53",,,"20240603","20240603"