????:1?????300?????:??????

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%,??????????????,??(???) ???????????:???????????