?? ???31.9??????????????? ????14.5%
????:1?????????:????150??????
2?????????
3?????????
4?????????
5?????200??????
??:?????????????11????22??????????,?????10????????????????,??31.9??,??14.5%?????????,??7.9???,?48.0%;???4.9????,??20.3%?110???????????,??7181????,????8.3%;???4502????,???20.7%?
??????:????????