Producer Price Index by Commodity: Intermediate Demand by Production Flow: Inputs to Stage 4 Goods Producers, Transportation and Warehousing of Goods (WPSID541222)

U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Intermediate Demand by Production Flow: Inputs to Stage 4 Goods Producers, Transportation and Warehousing of Goods [WPSID541222], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPSID541222, .