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