?????????????????

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?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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