年度,1級,2級,3級
2014,19,145,63
2015,22,153,62
2016,24,155,73
2017,25,161,89
2018,27,185,97
2019,25,200,113
2020,23,204,128
2021,23,209,144
2022,22,218,162
2023,24,242,168
2024,20,191,147