Quarter Cents 1951-01-01 5.60000 1951-04-01 5.20000 1951-07-01 4.20000 1951-10-01 4.40000 1952-01-01 4.20000 1952-04-01 4.20000 1952-07-01 4.30000 1952-10-01 4.40000 1953-01-01 4.30000 1953-04-01 4.40000 1953-07-01 4.30000 1953-10-01 4.00000 1954-01-01 4.30000 1954-04-01 4.70000 1954-07-01 4.40000 1954-10-01 4.70000 1955-01-01 5.10000 1955-04-01 5.50000 1955-07-01 5.40000 1955-10-01 5.60000 1956-01-01 5.30000 1956-04-01 5.50000 1956-07-01 4.90000 1956-10-01 5.20000 1957-01-01 5.10000 1957-04-01 5.00000 1957-07-01 4.70000 1957-10-01 4.40000 1958-01-01 3.40000 1958-04-01 3.80000 1958-07-01 4.40000 1958-10-01 4.90000 1959-01-01 4.70000 1959-04-01 5.50000 1959-07-01 4.60000 1959-10-01 4.50000 1960-01-01 4.70000 1960-04-01 4.60000 1960-07-01 4.30000 1960-10-01 4.00000 1961-01-01 3.50000 1961-04-01 4.40000 1961-07-01 4.30000 1961-10-01 4.80000 1962-01-01 4.30000 1962-04-01 4.70000 1962-07-01 4.40000 1962-10-01 4.80000 1963-01-01 4.20000 1963-04-01 5.00000 1963-07-01 4.60000 1963-10-01 5.10000 1964-01-01 4.90000 1964-04-01 5.50000 1964-07-01 5.10000 1964-10-01 5.40000 1965-01-01 5.40000 1965-04-01 5.80000 1965-07-01 5.40000 1965-10-01 5.70000 1966-01-01 5.60000 1966-04-01 5.90000 1966-07-01 5.40000 1966-10-01 5.50000 1967-01-01 4.90000 1967-04-01 5.20000 1967-07-01 4.70000 1967-10-01 5.20000 1968-01-01 5.00000 1968-04-01 5.20000 1968-07-01 4.90000 1968-10-01 5.20000