U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Processed Foods and Feeds: Boiled Ham, Barbecue Pork, and Other Cooked Pork, Excluding Canned Meats and Sausage, Made from Purchased Carcasses [WPU0221044726], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPU0221044726, .