File Description / Source / Format / Notes / Date Created Articles and Data Release: The articles and data release are in PDF format. In most cases, this format is also combined with Excel ver. 4 (XLS) tables in compressed executable (EXE) files. June 2003. High-Income Tax Returns for 2000 PDF (EXE) ZIP. Article. S Corporation Returns, 2000 PDF (EXE) ZIP. Article. Split-Interest Trusts, 2000 PDF (EXE) ZIP. Article. The 400 Individual Income Tax Returns Reporting the Highest Adjusted Gross Incomes Each Year, 1992-2000 PDF (XLS) XLS. Data Release. Unrelated Business Income Tax Returns, 1999 PDF (EXE). Article. Link: Historical Tables and Appendix