Producer Price Index by Commodity: Machinery and Equipment: Telephone and Wireline Data Networking Equipment (WPU117601)

U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Machinery and Equipment: Telephone and Wireline Data Networking Equipment [WPU117601], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPU117601, February 4, 2023.