?? ??????????????????
????:1???????????:???????
2??????????
3???????
4????????
5??????
??????????11?27???????? (?????????? ??)?????????????????????27???,??????????????????,?????,????????
????????????????????????,?????????????????????????????????????????(???)??
???????????????????20???????????????????,?????????????11??22???????????,?????????????????70?????????,??6???
?300????????,??8.6%??8.7%????,??????,?????????????(???) ??:??????????????????????