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["购物城1995～2004年的销售额和流通费用率"]
["年份",1995,1996,1997,1998,1999,2000,2001,2002,2003,2004]
["商品销售额",10.2,11.7,13.1,15,16.5,19,22,25,28.5,32]
["商品流通费用率",7,6.2,5.7,5.3,5.1,4.6,4.5,4.4,4.2,4]
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