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