???????????????31.9???? ???14.5%

????:???????:????????

???:????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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