???????????? ?????????

????:????:??????

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