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

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

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

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

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

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

??

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