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