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. 2018XLS | 2017XLS | 2016XLS | 2015XLS | 2014XLS | 2013XLS | 2012XLS | 2011XLS | 2010XLS | 2009XLS | 2008XLS Return to the IRS Data Book