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