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: Individual income tax returns examined, by size of adjusted gross income and fiscal year NOTE: IRS Data Book Table 9b has been discontinued. A replacement data series is now available in Table 17a: Examination Coverage and Recommended Additional Tax After Examination, by Type and Size of Return, Tax Years 2010–2018. 2018 XLS | 2017 XLS | 2016 XLS | 2015 XLS | 2014 XLS | 2013 XLS | 2012 XLS | 2011 XLS | 2010 XLS | 2009 XLS | 2008 XLS Return to the IRS Data Book