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