Title: Producer Price Index: Crude Energy Materials Series ID: PPICEM Source: U.S. Department of Labor: Bureau of Labor Statistics Release: Producer Price Index Seasonal Adjustment: Not Seasonally Adjusted Frequency: Monthly Units: Index 1982=100 Date Range: 1974-01-01 to 2007-03-01 Last Updated: 2007-04-13 10:35 AM CT Notes: