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 2007PDF 2006PDF 2005PDF 2004PDF 2003PDF 2002PDF 2001PDF 2000PDF Notes 2007PDF 2006PDF 2005PDF 2004PDF 2003PDF 2002PDF 2001PDF 2000PDF IRS Form 1120 2007PDF 2006PDF 2005PDF 2004PDF 2003PDF 2002PDF 2001PDF 2000PDF IRS Form 1120S 2007PDF 2006PDF 2005PDF 2004PDF 2003PDF 2002PDF 2001PDF 2000PDF (Back to U.S. Total and Sectors Listing)