Return to Corporation Tax Statistics page. Return to U.S. Total and Sectors Listing. The items below are in PDF format. A free Adobe® reader is available for download, if needed. Explanation of Terms Click on the heading to access the yearly metadata. Description of the Sample and Limitations of the Data Click on the heading to access the yearly metadata. Industry Statistics and Their Limitations 2007 PDF 2006 PDF 2005 PDF 2004 PDF 2003 PDF 2002 PDF 2001 PDF 2000 PDF Notes 2007 PDF 2006 PDF 2005 PDF 2004 PDF 2003 PDF 2002 PDF 2001 PDF 2000 PDF IRS Form 1120 2007 PDF 2006 PDF 2005 PDF 2004 PDF 2003 PDF 2002 PDF 2001 PDF 2000 PDF IRS Form 1120S 2007 PDF 2006 PDF 2005 PDF 2004 PDF 2003 PDF 2002 PDF 2001 PDF 2000 PDF (Back to U.S. Total and Sectors Listing)