?? ????????????????7???50%
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???8????23?? (?????)??????????23?1?7???????,???????7???50%?
????,??7??,??31.0????,???????????14.0%???,??7.4??,????49.8%;????????4.7???,?19.8%?
????????????1??7????????????,??1994?????????????????,??91????1????7???,??4158????(???????,????????????????),?2.6%????2947??,?19.2%?(??)
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