The linked files are available as Microsoft Excel® files. A free Excel Viewer is available for download, if needed. Collections, Costs, Personnel, and U.S. Population, Fiscal Years NOTE: In prior editions of the IRS Data Book, Table 31 was presented as Table 29. 2022XLSX 2021XLSX 2020XLSX 2019XLSX 2018XLS 2017XLS 2016XLS 2015XLS 2014XLS 2013XLS 2012XLS 2011XLS 2010XLS 2009XLS 2008XLS 2007XLS 2006XLS 2005XLS 2004XLS 2003XLS 2002XLS 2001XLS 2000XLS 1999XLS 1998XLS 1997XLS 1996XLS 1995XLS Return to the IRS Data Book home page
