Producer Price Index by Commodity: Telecommunication, Cable, and Internet User Services: Local Residential Wired Telephone Service (WPS371101)

U.S. Bureau of Labor Statistics, Producer Price Index by Commodity: Telecommunication, Cable, and Internet User Services: Local Residential Wired Telephone Service [WPS371101], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/WPS371101, September 27, 2022.