??2????????????17??? ?????????????(????????????“????????????????”)17????,??37.7%??,?????????????2??????????????????

?????????????????????????????,?????,??????????“????????????????”,??

?,??????????????????35??????????????????,?5??????????????????,????,????????????????????,???????????,????????????

???,???????????????????????????,???(54.3%)??????????,???????????????2???,????????????????3.5???????????

??????????????,?????,?,??????????(46.6%)??????????

??“??”??????,???????????????????,?12??????17??????12.5%?????????18.4%,????????????????????,?????(?????) ?????????:?????????

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??:???????????,??????????,??????????????