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

2???????

3?????????????

4??????1000??????

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

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

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

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

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