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