?????????21???? ????????????

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21??,??????????????,?,????????,??????????????21????????????

9?24??????28?????????????,????????????21??????????????????,??????????????,???????????15???????????,????????????????

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?8??,??????????2441.3????????????????????,??????????????21.8%,?????52.6%,??

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????,?????????????,????????,??2100????????????????????????????,???9???,?????????????,???????????3.1??????????,???????6500??????????????,????,??2????

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