???????????1.8??

????:????????:??sn??

??6?????????????13???? (?????????????????)????:??5?????,??18045??,??2019??95.5%??96.4%,???5517.7?????????12527.3???

???????,?????,??????????????????2019?????95.9%?91.9%,??????5?96.1%?94.4%?

??????2019??????????????,????5?,?????????????????66.4%????????????????????67.1%,??????????????????????????????95.89%??97.2%?

??????????:????? ?????:????????????