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

2????????

3???????

4???????

5?????90?95?????

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