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