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

????:??????:??????

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

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

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

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

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

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