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

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

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

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

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

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

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