Producer Price Index by Industry: Specialized Freight (Except Used Goods) Trucking, Long-Distance: Hazardous Materials Trucking (Except Waste), Long-Distance (PCU4842304842306031)

U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Specialized Freight (Except Used Goods) Trucking, Long-Distance: Hazardous Materials Trucking (Except Waste), Long-Distance [PCU4842304842306031], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU4842304842306031, .