????:1??????:??????

2???????????

3?????????

4????????400?4???

5???????

???????????????????13????,70???????????????,?????,????,??????????????????:

??????????40???????????????????????????,???78.6?????????????????????????????,???????8?????????????,????14???????????????????,????????????????????????,????????

???????????????????2023???,?????????????60??2.97??,?21.1%;65????????????????????2.17?????????????????,?????????15.4%,???????????????,??????????????2012??????????????,??????????????300??,?????????????????????,??,??????????????

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