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