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

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

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

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

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

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

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

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