?? ???31.9???? ???????????????14.5%
????:1????????150????:????????
2???????150
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%?
???:???