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