: Data for years 1966 through 2007 were compiled by the National Humanities Alliance, at the request of the Humanities Indicators, from documentation supplied by the National Endowment of the Humanities’ (NEH) Office of Strategic Planning. Data for 2008 to 2015 were provided directly to the Humanities Indicators by NEH’s Office of Planning and Budget. The amount of the agency’s request for 2016 was obtained from budget documents
posted on the agency’s website. Funding amounts were adjusted for inflation using the Gross Domestic Product Implicit Price Deflators
produced by the U.S. Department of Commerce’s Bureau of Economic Analysis, and the “Economic Projections of Federal Reserve Board Members and Federal Reserve Bank Presidents, March 2015” (http://www.federalreserve.gov/monetarypolicy/files/fomcprojtabl20150318.pdf
, accessed 10/12/2015).