?? ????31.9??????????????? ???14.5%
????:1????????:51??
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%?
???:???