?? ????31.9??????????????? ???14.5%
????:1???????????:??????
2????98??
3????????
4???????
5???300?????
?????:??11????22????????,????10????????????????,??31.9??,??14.5%????,?????????????7.9??????????,????48.0%;???4.9?,???????????20.3%?110??,???????7181????,?????8.3%;???4502??,??20.7%?
????:?????