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

2????????????

3???????100?

4?????????

5?????????????

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

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

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

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

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

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