????:1???????:?????

2??????????

3?????

4???????????????

5???????

??12?????22? (??????? ??)22??,??,?????????????????80??????????,?1997????????????????

????,??19??????????????????90???,1?11??73.9????????,??35%,??2019??????59%?

???,????,?????12??20??,??????????45.6?????????????????,??57.2%,??????????22%?

?????12??17???????????????????,?9300???????????????,???30%???,?250???????11?,?????8.3?,?196%?

??,??????????????7????????????????????????,?????????????????????????????????????(?????????) ????????:??????