Lyndon B. Johnson (1963-1969)

Richard M. Nixon (1969-1974)

Gerald R. Ford (1974-1977)

James Carter (1977-1981)

Ronald Reagan (1981-1989)

George H. W. Bush (1989-1993)

Bill Clinton (1993-2001)

George W. Bush (2001-2008)

Barack Obama (2009-2012)
