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

2???????????

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

4??????????

5??????

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

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

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

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