Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: B270RG
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Private fixed investment in equipment and software: Nonresidential: Mining and oilfield machinery (chain-type price index) [B270RG3A086NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/B270RG3A086NBEA, May 27, 2018.