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