?????????? ??????8.87???

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????????????????,8???31??????????,?62???7?????????1??8??31???,????8.87??????????,??6.7%,?????,8?10?12?3??????????????1600????;??6.7?,????,??

???,??,??????????10905?,?636?????????????????6.2%???,???????????????4.56???????????518.4?????????,???78.1%?10.7%?(?? ????)

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