?? ????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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