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

2?????????

3?????95?

4????????

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

?6?30?? (???????????)??????????????30???????9?????????24????????????????????,????????????????????(120~160???),??(????30~50????,??????60??????????????????)??(8??)????????

29?????????????20??30??????7??,???????????????????????????????????????????????????790??50?,????18.9%;41????100???,??1.0%;??150.3?????????

??????,30????;??,??,??(?????????????????????) ???:??