?? ????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%?
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