
Source: Rates from U.S. Advisory Commission on Intergovernmental Relations, Tax Foundation, Facts and Figures on Government Finance, 1988-89 Edition (Washington, DC, 1988); Commerce Clearing House, 1993 U.S. Master Tax Guide (Chicago, 1993); and SOI Corporation Tax Returns, various years; Receipts from FY 2009 Historical Tables, Budget of the United States Government, Table 2.3. |