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5?100???4???

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?????,2023?????,????????26.4%,??????????2013?????10.9????,?????12.1???????????????????????29.2?????,??,??????17???,????????58.2%?????????????????????????3.8?????????????,????????39.7%,?????2013?????15?????????????????????????????????????,??,????“??????????”??

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???,??????,????????????,????????,14??????????????????500????????????1000??????????????,?,??????????????5.6????????????,???,2015????

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