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

2?????

3?????????

4???????

5???????

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

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

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

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