?? ???????????????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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