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