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