Month	Percent
1947-11-01	2.41000
1947-12-01	2.51000
1948-01-01	2.38000
1948-02-01	2.23000
1948-03-01	2.60000
1948-04-01	2.46000
1948-05-01	2.15000
1948-06-01	2.17000
1948-07-01	2.18000
1948-08-01	2.12000
1948-09-01	2.09000
1948-10-01	2.09000
1948-11-01	2.39000
1948-12-01	2.12000
1949-01-01	2.29000
1949-02-01	2.97000
1949-03-01	2.96000
1949-04-01	2.82000
1949-05-01	2.71000
1949-06-01	2.76000
1949-07-01	2.93000
1949-08-01	2.45000
1949-09-01	2.55000
1949-10-01	2.54000
1949-11-01	2.71000
1949-12-01	2.81000
1950-01-01	2.80000
1950-02-01	2.88000
1950-03-01	2.46000
1950-04-01	2.51000
1950-05-01	2.35000
1950-06-01	2.10000
1950-07-01	2.20000
1950-08-01	2.20000
1950-09-01	2.20000
1950-10-01	2.11000
1950-11-01	1.98000
1950-12-01	2.20000
1951-01-01	2.30000
1951-02-01	2.19000
1951-03-01	2.15000
1951-04-01	2.32000
1951-05-01	2.02000
1951-06-01	1.95000
1951-07-01	2.20000
1951-08-01	2.08000
1951-09-01	2.01000
1951-10-01	1.96000
1951-11-01	2.23000
1951-12-01	2.26000
1952-01-01	2.12000
1952-02-01	2.01000
1952-03-01	2.08000
1952-04-01	1.96000
1952-05-01	2.01000
1952-06-01	2.12000
1952-07-01	2.21000
1952-08-01	2.13000
1952-09-01	1.94000
1952-10-01	1.92000
1952-11-01	1.85000
1952-12-01	2.02000
1953-01-01	1.96000
1953-02-01	1.93000
1953-03-01	1.91000
1953-04-01	1.72000
1953-05-01	1.81000
1953-06-01	1.72000
1953-07-01	1.84000
1953-08-01	2.01000
1953-09-01	1.94000
1953-10-01	1.91000
1953-11-01	2.01000
1953-12-01	2.09000
1954-01-01	2.14000
1954-02-01	2.19000
1954-03-01	2.00000
1954-04-01	1.95000
1954-05-01	1.86000
1954-06-01	1.82000
1954-07-01	1.85000
1954-08-01	1.83000
1954-09-01	1.79000
1954-10-01	1.78000
1954-11-01	1.78000
1954-12-01	1.74000
1955-01-01	1.68000
1955-02-01	1.72000
1955-03-01	1.54000
1955-04-01	1.53000
1955-05-01	1.48000
1955-06-01	1.43000
1955-07-01	1.47000
1955-08-01	1.43000
1955-09-01	1.47000
1955-10-01	1.42000
1955-11-01	1.42000
1955-12-01	1.59000
1956-01-01	1.58000
1956-02-01	1.56000
1956-03-01	1.54000
1956-04-01	1.53000
1956-05-01	1.42000
1956-06-01	1.45000
1956-07-01	1.48000
1956-08-01	1.51000
1956-09-01	1.54000
1956-10-01	1.42000
1956-11-01	1.47000
1956-12-01	1.62000
1957-01-01	1.56000
1957-02-01	1.61000
1957-03-01	1.58000
1957-04-01	1.46000
1957-05-01	1.38000
1957-06-01	1.46000
1957-07-01	1.47000
1957-08-01	1.45000
1957-09-01	1.54000
1957-10-01	1.44000
1957-11-01	1.53000
1957-12-01	1.68000
1958-01-01	1.64000
1958-02-01	1.76000
1958-03-01	1.78000
1958-04-01	1.68000
1958-05-01	1.64000
1958-06-01	1.67000
1958-07-01	1.68000
1958-08-01	1.70000
1958-09-01	1.63000
1958-10-01	1.53000
1958-11-01	1.58000
1958-12-01	1.67000
1959-01-01	1.64000
1959-02-01	1.68000
1959-03-01	1.53000
1959-04-01	1.48000
1959-05-01	1.40000
1959-06-01	1.36000
1959-07-01	1.34000
1959-08-01	1.47000
1959-09-01	1.56000
1959-10-01	1.60000
1959-11-01	1.73000
1959-12-01	1.79000
1960-01-01	1.79000
1960-02-01	1.75000
1960-03-01	1.61000
1960-04-01	1.61000
1960-05-01	1.53000
1960-06-01	1.59000
1960-07-01	1.70000
1960-08-01	1.64000
1960-09-01	1.72000
1960-10-01	1.72000
1960-11-01	1.76000
1960-12-01	1.93000
1961-01-01	1.90000
1961-02-01	2.01000
1961-03-01	1.82000
1961-04-01	1.81000
1961-05-01	1.71000
1961-06-01	1.69000
1961-07-01	1.79000
1961-08-01	1.73000
1961-09-01	1.77000
1961-10-01	1.64000
1961-11-01	1.66000
1961-12-01	1.86000
1962-01-01	1.77000
1962-02-01	1.85000
1962-03-01	1.70000
1962-04-01	1.62000
1962-05-01	1.53000
1962-06-01	1.56000
1962-07-01	1.56000
1962-08-01	1.55000
1962-09-01	1.66000
1962-10-01	1.56000
1962-11-01	1.61000
1962-12-01	1.82000
1963-01-01	1.66000
1963-02-01	1.75000
1963-03-01	1.65000
1963-04-01	1.54000
1963-05-01	1.46000
1963-06-01	1.59000
1963-07-01	1.62000
1963-08-01	1.61000
1963-09-01	1.76000
1963-10-01	1.60000
1963-11-01	1.77000
1963-12-01	1.96000
1964-01-01	1.75000
1964-02-01	1.83000
1964-03-01	1.67000
1964-04-01	1.53000
1964-05-01	1.57000
1964-06-01	1.54000
1964-07-01	1.57000
1964-08-01	1.65000
1964-09-01	1.69000
1964-10-01	1.65000
1964-12-01	1.86000
1965-02-01	1.94000
1965-04-01	1.58000
1965-06-01	1.61000
1965-08-01	1.80000
1965-10-01	1.78000
1965-12-01	1.81000
1966-02-01	1.89000
1966-04-01	1.64000
1966-06-01	1.62000
1966-08-01	1.74000
1966-10-01	1.74000
1966-12-01	1.91000
1967-02-01	1.99000
1967-04-01	1.75000
1967-06-01	1.58000
1967-08-01	1.63000
1967-10-01	1.64000
1967-12-01	1.87000
1968-02-01	1.66000
1968-04-01	1.47000
1968-06-01	1.44000
1968-08-01	1.54000
1968-10-01	1.46000
1968-12-01	1.82000