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