????:1??????????????:????300??400

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