????:1?????92?95?98?:?????

2???95??????

3?????????

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5?95?98??????

???????????????????10??14???????????????? (?? ??????)?14????????????,??4.62????????????????,?????????????5.1%?

???????????????,???????????????????,?????????????????????8.6%?13.4%;??????????????14.4%?34.3%????????????????????????,??????????????????????????????????????????

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