Month	Ratio: Seasonally Adjusted By Source
1953-01-01	2.17700
1953-02-01	2.19000
1953-03-01	2.11800
1953-04-01	2.13200
1953-05-01	2.13500
1953-06-01	2.16200
1953-07-01	2.10600
1953-08-01	2.13000
1953-09-01	2.11400
1953-10-01	2.08500
1953-11-01	2.10300
1953-12-01	2.10600
1954-01-01	2.04500
1954-02-01	2.00100
1954-03-01	1.97500
1954-04-01	1.92800
1954-05-01	1.93700
1954-06-01	1.89300
1954-07-01	1.87500
1954-08-01	1.87400
1954-09-01	1.87700
1954-10-01	1.87100
1954-11-01	1.82800
1954-12-01	1.80000
1955-01-01	1.80200
1955-02-01	1.80600
1955-03-01	1.80800
1955-04-01	1.79800
1955-05-01	1.80700
1955-06-01	1.82100
1955-07-01	1.83700
1955-08-01	1.86700
1955-09-01	1.84100
1955-10-01	1.87000
1955-11-01	1.87700
1955-12-01	1.89000
1956-01-01	1.91700
1956-02-01	1.94600
1956-03-01	1.93700
1956-04-01	1.94300
1956-05-01	1.94900
1956-06-01	1.94100
1956-07-01	2.05700
1956-08-01	2.00100
1956-09-01	1.98300
1956-10-01	1.96200
1956-11-01	1.96500
1956-12-01	1.95200
1957-01-01	1.94100
1957-02-01	1.92700
1957-03-01	1.93800
1957-04-01	1.96800
1957-05-01	1.96600
1957-06-01	1.94800
1957-07-01	1.93800
1957-08-01	1.91700
1957-09-01	1.94900
1957-10-01	1.93400
1957-11-01	1.93300
1957-12-01	1.95600
1958-01-01	1.93300
1958-02-01	1.93800
1958-03-01	1.93500
1958-04-01	1.91600
1958-05-01	1.89100
1958-06-01	1.85700
1958-07-01	1.83600
1958-08-01	1.81100
1958-09-01	1.81400
1958-10-01	1.80500
1958-11-01	1.78300
1958-12-01	1.78800
1959-01-01	1.78800
1959-02-01	1.79100
1959-03-01	1.79200
1959-04-01	1.78300
1959-05-01	1.76100
1959-06-01	1.76900
1959-07-01	1.78800
1959-08-01	1.85500
1959-09-01	1.86700
1959-10-01	1.88900
1959-11-01	1.90200
1959-12-01	1.85900
1960-01-01	1.81200
1960-02-01	1.82000
1960-03-01	1.82200
1960-04-01	1.79200
1960-05-01	1.81300
1960-06-01	1.81100
1960-07-01	1.81600
1960-08-01	1.82200
1960-09-01	1.80800
1960-10-01	1.80800
1960-11-01	1.82900
1960-12-01	1.80300
1961-01-01	1.82100
1961-02-01	1.80500
1961-03-01	1.77300
1961-04-01	1.78800
1961-05-01	1.77700
1961-06-01	1.75500
1961-07-01	1.77500
1961-08-01	1.74400
1961-09-01	1.74300
1961-10-01	1.73100
1961-11-01	1.72600
1961-12-01	1.73200
1962-01-01	1.74100
1962-02-01	1.75100
1962-03-01	1.73400
1962-04-01	1.72400
1962-05-01	1.73400
1962-06-01	1.74800
1962-07-01	1.74800
1962-08-01	1.74000
1962-09-01	1.73600
1962-10-01	1.74000
1962-11-01	1.71200
1962-12-01	1.74100
1963-01-01	1.73200
1963-02-01	1.70700
1963-03-01	1.71700
1963-04-01	1.71900
1963-05-01	1.72700
1963-06-01	1.70600
1963-07-01	1.68300
1963-08-01	1.70300
1963-09-01	1.70200
1963-10-01	1.68700
1963-11-01	1.71300
1963-12-01	1.69300
1964-01-01	1.67600
1964-02-01	1.68000
1964-03-01	1.69800
1964-04-01	1.68500
1964-05-01	1.67600
1964-06-01	1.68500
1964-07-01	1.67400
1964-08-01	1.68400
1964-09-01	1.68700
1964-10-01	1.72100
1964-11-01	1.71500
1964-12-01	1.68300
1965-01-01	1.69400
1965-02-01	1.70500
1965-03-01	1.68600
1965-04-01	1.69100
1965-05-01	1.70100
1965-06-01	1.70300
1965-07-01	1.68500
1965-08-01	1.69000
1965-09-01	1.71100
1965-10-01	1.68000
1965-11-01	1.66600
1965-12-01	1.68300
1966-01-01	1.66500
1966-02-01	1.68300
1966-03-01	1.67700
1966-04-01	1.71200
1966-05-01	1.74200
1966-06-01	1.72700
1966-07-01	1.76400
1966-08-01	1.75900
1966-09-01	1.75900
1966-10-01	1.77000
1966-11-01	1.80000
1966-12-01	1.81300
1967-01-01	1.81700
1967-02-01	1.82800
1967-03-01	1.81900
1967-04-01	1.82200
1967-05-01	1.81600
1967-06-01	1.78800
1967-07-01	1.80700
1967-08-01	1.78800
1967-09-01	1.79700
1967-10-01	1.82000
1967-11-01	1.80000
1967-12-01	1.79400
1968-01-01	1.78100
1968-02-01	1.77700
1968-03-01	1.76700
1968-04-01	1.78300
1968-05-01	1.76100
1968-06-01	1.73600
1968-07-01	1.71900
1968-08-01	1.74300
1968-09-01	1.72200