????:1???????????:????

2??????????

3???????

4????????

5???????

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

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

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

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

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

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