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