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