Quarter	Percent
1939-01-01	2.10000
1939-04-01	2.10000
1939-07-01	2.10000
1939-10-01	2.10000
1940-01-01	2.00000
1940-04-01	1.90000
1940-07-01	2.10000
1940-10-01	2.20000
1941-01-01	2.10000
1941-04-01	2.10000
1941-07-01	1.90000
1941-10-01	2.00000
1942-01-01	2.00000
1942-04-01	2.10000
1942-07-01	2.40000
1942-10-01	2.40000
1943-01-01	2.70000
1943-04-01	2.90000
1943-07-01	2.40000
1943-10-01	2.50000
1944-01-01	2.50000
1944-04-01	2.50000
1944-07-01	2.50000
1944-10-01	2.30000
1945-01-01	2.30000
1945-04-01	2.30000
1945-07-01	2.30000
1945-10-01	2.00000
1946-01-01	2.10000
1946-04-01	2.00000
1946-07-01	2.00000
1946-10-01	2.10000
1947-01-01	2.10000
1947-04-01	2.10000
1947-07-01	2.10000
1947-10-01	2.10000
1948-01-01	2.40000
1948-04-01	2.47000
1948-07-01	2.60000
1948-10-01	2.64000
1949-01-01	2.70000
1949-04-01	2.74000
1949-07-01	2.63000
1949-10-01	2.65000
1950-01-01	2.60000
1950-04-01	2.68000
1950-07-01	2.63000
1950-10-01	2.84000
1951-01-01	3.02000
1951-04-01	3.07000
1951-07-01	3.06000
1951-10-01	3.27000
1952-01-01	3.45000
1952-04-01	3.51000
1952-07-01	3.49000
1952-10-01	3.51000
1953-01-01	3.54000
1953-04-01	3.73000
1953-07-01	3.74000
1953-10-01	3.76000
1954-01-01	3.72000
1954-04-01	3.60000
1954-07-01	3.56000
1954-10-01	3.55000
1955-01-01	3.54000
1955-04-01	3.56000
1955-07-01	3.77000
1955-10-01	3.93000
1956-01-01	3.93000
1956-04-01	4.14000
1956-07-01	4.35000
1956-10-01	4.38000
1957-01-01	4.38000
1957-04-01	4.40000
1957-07-01	4.83000
1957-10-01	4.85000
1958-01-01	4.49000
1958-04-01	4.17000
1958-07-01	4.21000
1958-10-01	4.50000
1959-01-01	4.51000
1959-04-01	4.87000
1959-07-01	5.27000
1959-10-01	5.36000
1960-01-01	5.34000
1960-04-01	5.35000
1960-07-01	4.97000
1960-10-01	4.99000
1961-01-01	4.97000
1961-04-01	4.97000
1961-07-01	4.99000
1961-10-01	4.96000
1962-01-01	4.98000
1962-04-01	5.01000
1962-07-01	4.99000
1962-10-01	5.02000
1963-01-01	5.00000
1963-04-01	5.01000
1963-07-01	5.01000
1963-10-01	5.00000
1964-01-01	4.99000
1964-04-01	4.99000
1964-07-01	4.98000
1964-10-01	5.00000
1965-01-01	4.97000
1965-04-01	4.99000
1965-07-01	5.00000
1965-10-01	5.27000
1966-01-01	5.55000
1966-04-01	5.82000
1966-07-01	6.30000
1966-10-01	6.31000
1967-01-01	6.13000
1967-04-01	5.95000
1967-07-01	5.95000
1967-10-01	5.96000
1968-01-01	6.36000
1968-04-01	6.84000
1968-07-01	6.89000
1968-10-01	6.61000
1969-01-01	7.32000
1969-04-01	7.86000
1969-07-01	8.82000
1969-10-01	8.83000