?? ????????80????????? ?????
????:1???8t????:????????
2?????????????
3???????
4??????wx
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??,?????????(?????????????????) ??????:???