I heard
this recently:
Corporate Taxes as a Percentage of Federal Revenue
1955 . . . 27.3%
2010 . . . 8.9%
Corporate Taxes as a Percentage of GDP
1955 . . . 4.3%
2010 . . . 1.3%
Individual Income/Payrolls as a Percentage of Federal Revenue
1955 . . . 58.0%
2010 . . . 81.5%