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

??

?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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