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

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

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

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

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

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

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