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

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

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