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