U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Meat Processed from Carcasses: Boiled Ham, Barbecue Pork, and Other Cooked Pork, Except Canned Meats and Sausage, Made from Purchased Carcasses [PCU31161231161216], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU31161231161216, .