Producer Price Index by Industry: Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing: Primary Products (PCU325194325194P)

U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing: Primary Products [PCU325194325194P], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU325194325194P, January 27, 2023.