?????????????????
??2??????????????????17?? ??(????“???????????”)17????????????????,?37.7%???????????????,??2?????????????????
?????????????????,????????????,?????????????“????????”,??
??????????,?????35?????????????,????5????????????????????????,??????,?,?????,??????????????????
??????,?????????????????,???(54.3%)????????????????,????????????2??????????????,??????????????????????????3.5???????
?????,????????,???????????,?(46.6%)???
?????????“???”????????,??????????,?12??????????????????17??????????????????12.5%???????????18.4%,?????????????????????,??(?????????????) ????:??????????????