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

2??????

3???????

4??????????

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

???11??27??????????? (????????????????????? ???)????????????27????????,???????????????????,??,????????

????????????????????????????????????????,????????????(?)?????????????

?20??????,??11???22?????????????????,????????70??,?6???

?300????????????????????,??????????8.6%??????????8.7%??????,??????,?????????????????????(????????????????????) ??????????????????:????