Average Effective Federal Funds Rate by chairman of the Fed in the post-war

William McChesney Martin (15 years)  3.62%
Arthur F. Burns (8)        6.49%
G. William Miller (2)    9.56%
Paul Volcker (9)           10.45%
Alan Greenspan (19)     4.86%
Ben Bernanke (8)          1.58%
Janet Yellin (less than 1) .09%