Month	Percentage
1947-07-01	52.0000
1947-08-01	56.0000
1947-09-01	54.0000
1947-10-01	62.0000
1947-11-01	58.0000
1947-12-01	56.0000
1948-01-01	61.0000
1948-02-01	50.0000
1948-03-01	44.0000
1948-04-01	48.0000
1948-05-01	50.0000
1948-06-01	48.0000
1948-07-01	49.0000
1948-08-01	50.0000
1948-09-01	52.0000
1948-10-01	54.0000
1948-11-01	44.0000
1948-12-01	40.0000
1949-01-01	38.0000
1949-02-01	35.0000
1949-03-01	32.0000
1949-04-01	32.0000
1949-05-01	28.0000
1949-06-01	31.0000
1949-07-01	40.0000
1949-08-01	60.0000
1949-09-01	67.0000
1949-10-01	54.0000
1949-11-01	54.0000
1949-12-01	54.0000
1950-01-01	61.0000
1950-02-01	57.0000
1950-03-01	70.0000
1950-04-01	70.0000
1950-05-01	64.0000
1950-06-01	78.0000
1950-07-01	78.0000
1950-08-01	88.0000
1950-09-01	76.0000
1950-10-01	66.0000
1950-11-01	61.0000
1950-12-01	53.0000
1951-01-01	60.0000
1951-02-01	57.0000
1951-03-01	60.0000
1951-04-01	52.0000
1951-05-01	49.0000
1951-06-01	48.0000
1951-07-01	44.0000
1951-08-01	48.0000
1951-09-01	47.0000
1951-10-01	46.0000
1951-11-01	44.0000
1951-12-01	42.0000
1952-01-01	48.0000
1952-02-01	39.0000
1952-03-01	43.0000
1952-04-01	42.0000
1952-05-01	36.0000
1952-10-01	48.0000
1952-11-01	50.0000
1952-12-01	44.0000
1953-01-01	46.0000
1953-02-01	49.0000
1953-03-01	50.0000
1953-04-01	46.0000
1953-05-01	42.0000
1953-06-01	36.0000
1953-07-01	40.0000
1953-08-01	43.0000
1953-09-01	45.0000
1953-10-01	39.0000
1953-11-01	38.0000
1953-12-01	34.0000
1954-01-01	37.0000
1954-02-01	43.0000
1954-03-01	39.0000
1954-04-01	41.0000
1954-05-01	46.0000
1954-06-01	43.0000
1954-07-01	40.0000
1954-08-01	49.0000
1954-09-01	53.0000
1954-10-01	59.0000
1954-11-01	61.0000
1954-12-01	51.0000
1955-01-01	56.0000
1955-02-01	61.0000
1955-03-01	68.0000
1955-04-01	71.0000
1955-05-01	67.0000
1955-06-01	63.0000
1955-07-01	54.0000
1955-08-01	55.0000
1955-09-01	60.0000
1955-10-01	61.0000
1955-11-01	57.0000
1955-12-01	58.0000
1956-01-01	55.0000
1956-02-01	56.0000
1956-03-01	51.0000
1956-04-01	51.0000
1956-05-01	49.0000
1956-06-01	45.0000
1956-07-01	45.0000
1956-08-01	52.0000
1956-09-01	55.0000
1956-10-01	58.0000
1956-11-01	48.0000
1956-12-01	45.0000
1957-01-01	48.0000
1957-02-01	49.0000
1957-03-01	46.0000
1957-04-01	41.0000
1957-05-01	41.0000
1957-06-01	40.0000
1957-07-01	30.0000
1957-08-01	33.0000
1957-09-01	37.0000
1957-10-01	34.0000
1957-11-01	27.0000
1957-12-01	20.0000
1958-01-01	24.0000
1958-02-01	27.0000
1958-03-01	28.0000
1958-04-01	27.0000
1958-05-01	35.0000
1958-06-01	40.0000
1958-07-01	38.0000
1958-08-01	38.0000
1958-09-01	45.0000
1958-10-01	44.0000
1958-11-01	51.0000
1958-12-01	42.0000
1959-01-01	49.0000
1959-02-01	52.0000
1959-03-01	50.0000
1959-04-01	57.0000
1959-05-01	58.0000
1959-06-01	56.0000
1959-07-01	54.0000
1959-08-01	50.0000
1959-09-01	42.0000
1959-10-01	40.0000
1959-11-01	44.0000
1959-12-01	48.0000
1960-01-01	46.0000
1960-02-01	36.0000
1960-03-01	41.0000
1960-04-01	44.0000
1960-05-01	42.0000
1960-06-01	43.0000