Producer Price Index by Industry: Specialized Freight (Except Used Goods) Trucking, Long-Distance (PCU4842304842306)

U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Specialized Freight (Except Used Goods) Trucking, Long-Distance [PCU4842304842306], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU4842304842306, July 6, 2022.