?? ?????????80????? ????????
????: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??????,??????????(???????) ??????????:???