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