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

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

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

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

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

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

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

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