tag_code_or_release_id,run,brood_year,cwt_1st_mark
"636957","3","2015","5000"
"637232","3","2017","5000"
"637413","3","2018","5000"
"637425","3","2020","5000"
"637428","3","2019","5000"
"636925","3","2015","5000"
"637170","3","2016","5000"