?? ????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%?
???:????