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