Producer Price Index by Commodity: Pulp, Paper, and Allied Products: Corrugated Paperboard in Sheets and Rolls, Lined and Unlined (WPU09140551)

U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Pulp, Paper, and Allied Products: Corrugated Paperboard in Sheets and Rolls, Lined and Unlined [WPU09140551], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPU09140551, July 3, 2022.