* Includes any other revenue from public sources; revenue received from private sources, such as foundations, corporations, friends groups, and individuals; and agency-generated revenues, such as fines and fees for services.
Source: For fiscal years (FY) 1994–2005: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, State Library Agencies (Washington, DC: National Center for Education Statistics, 1996–2006). For FY 2007–2008: Institute of Museum and Library Services, State Library Agencies (Washington, DC: Institute of Museum and Library Services, 2007–2008). Publications for all years are downloadable from http://www.imls.gov/research/state_library_agency_survey.aspx. Amounts for FY 2009–2014 were calculated from public-use data posted at https://www.imls.gov/research-evaluation/data-collection/state-library-administrative-agency-survey/state-library-public, downloaded 6/24/2016.
Revenue figures were adjusted for inflation using the Gross Domestic Product Implicit Price Deflators produced by the U.S. Bureau of Commerce’s Bureau of Economic Analysis (downloaded from http://research.stlouisfed.org/fred2/series/GDPDEF/downloaddata).