File Description / Source / Format / Notes / Date Created Articles and Data Release: The articles and data release are in PDF format. This format is also combined with Excel ver. 4 (XLS) tables in compressed executable (EXE) files. March 2001. Audit Revaluation of Federal Estate Tax Returns, 1992 PDF (EXE). Article. Charitable Remainder Trusts, 1998 PDF (EXE). Article. Fiduciary Income Tax Returns, 1997 PDF (EXE). Article. Gasoline Excise Taxes, 1933-2000 PDF (EXE) ZIP. Article. Individual High-Income Tax Returns for 1998 PDF (EXE). Article. International Boycott Reports, 1997 and 1998 PDF (EXE). Including Revisions PDF. Data Release. Revised January 2002. Projections of Returns to be Filed in Calendar Years 2000-2007 PDF (EXE) ZIP. Article. Link: Historical Tables and Appendix