Producer Price Index by Commodity: Miscellaneous Products: Other Ophthalmic Goods and Prescription Ground Eyeglass Lenses (WPU15640108)

U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Miscellaneous Products: Other Ophthalmic Goods and Prescription Ground Eyeglass Lenses [WPU15640108], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPU15640108, January 31, 2023.