???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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