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

??2??????17?????????? ?????????(?????????????“????????”)17??????,????????37.7%????????,??????????????????2????

??????????????????????,????????????,?“?”,??

?????????,??????????????????35???????????,?5????????????,?????????????,??????????????,?,????????????

??????,???????????????????????????,?????????????(54.3%)????????,?2???????????????,???????????????3.5??????????????

????????????,????????????????????,??????,??(46.6%)??????????????????

???????????????????“????”???,???,????????????????12????17??????????12.5%????18.4%,????????,??????(???????????) ?????????????????:??????