?? ????31.9??? ???????????????14.5%
????:1???????????:????????
2???????
3?????
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5?????wx
????:???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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