?? ???31.9??????????????? ????14.5%
????:1???????:??????
2???????
3??????????
4???????????
5???????????92?
??:?11????22???????????,?????10????,??31.9???,???14.5%????,?????????????7.9??????????,?????48.0%;????4.9??,????????????????20.3%?110??,????7181????????,???8.3%;????4502??,??20.7%?
???:????????