Statistical measures of change in prices of consumer goods. 消费品价格变动的统计计量。 cu.area.csv cu.base.csv cu.data.2.Summaries.csv cu.data.5.AsizeSouth.csv cu.data.3.AsizeNorthEast.csv cu.data.4.AsizeNorthCentral.csv cu.data.7.OtherNorthEast.csv cu.da