Important Changes for Fiscal Year 2019 IRS Data Book We redesigned the Fiscal Year 2019 IRS Data Book to provide more information on IRS compliance activities and service levels. As a result, many tables have been reordered and renumbered. Compare the new and old table numbers. The linked files are available as Microsoft Excel® files. A free Excel Viewer is available for download, if needed. Examination Coverage: Recommended and Average Recommended Additional Tax After Examination, by Type and Size of Return NOTE: In prior editions of the IRS Data Book, Table 17b was presented as Table 9a. 2019 XLSX 2018 XLS 2017 XLS 2016 XLS 2015 XLS 2014 XLS 2013 XLS 2012 XLS 2011 XLS 2010 XLS 2009 XLS 2008 XLS 2007 2006 2005 XLS 2004 XLS 2003 XLS 2002 XLS 2001 XLS 2000 XLS 1999 XLS 1998 XLS Return to the IRS Data Book home page