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??,6??,??21.0?,??0.7?,????????????????????????;???????115.0?,?11.9%,???

???????,6??????????????,????5.66??,?????????5.34???????????????????????????,?612%???157%?????????????????????????20~50%????,??????????????????????????(2017-2023???)????????????1969??,?????????????????45.7%?(???????????? ????????? ???)

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