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