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[?]??????1960????????2???2?3??????????????????????????????1964???64.3%12??1975??10.6%?1974???33.9%?3??1976??9.7%1975?????????0.84.2%
 
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??   2010-04-26 21:46 ?????
???   2010-04-26 22:19 ??????????
??   2010-04-26 22:30 ?