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

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

3????????????

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???????????9????????????????20? (?? ??????????????)???????20?????????,??????????8?,???????????????????????????????????,???11.2????????????????,???????????????12.6???

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????????????????,???8?,??????????11.0%,????1.2?????????????????,????????????????????????1.2???????????????,??????9.1???

???,??????????1?????8????,???6.8%???,?????????????????,?????????7.3%,????????????4.1%?(?) ?????:?????