U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Processed Foods and Feeds: Prepared Sauces, Excluding Tomato-Based Sauces and Sauces Comprised of 20 Percent or More Meat [WPU02860103], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPU02860103, .