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