The linked files are available as Microsoft Excel® files. A free Excel Viewer is available for download, if needed. Tax-Exempt Organizations and Nonexempt Charitable Trusts, Fiscal Years NOTE: In prior editions of the IRS Data Book, Table 14 was presented as Table 25. 2021XLSX 2020XLSX 2019XLSX 2018XLS 2017XLS 2016XLS 2015XLS 2014XLS 2013XLS 2012XLS 2011XLS 1991–2010XLS Return to the IRS Data Book home page