Month	Passenger-Miles
1929-01-01	52.6000
1929-02-01	54.1000
1929-03-01	51.9000
1929-04-01	50.9000
1929-05-01	51.6000
1929-06-01	61.7000
1929-07-01	61.0000
1929-08-01	64.1000
1929-09-01	59.0000
1929-10-01	49.8000
1929-11-01	48.1000
1929-12-01	53.1000
1930-01-01	50.0000
1930-02-01	50.0000
1930-03-01	45.9000
1930-04-01	46.4000
1930-05-01	47.1000
1930-06-01	55.6000
1930-07-01	54.5000
1930-08-01	56.4000
1930-09-01	51.4000
1930-10-01	44.6000
1930-11-01	43.6000
1930-12-01	45.5000
1931-01-01	43.7000
1931-02-01	44.6000
1931-03-01	41.0000
1931-04-01	44.4000
1931-05-01	44.8000
1931-06-01	50.7000
1931-07-01	50.6000
1931-08-01	50.4000
1931-09-01	48.6000
1931-10-01	39.5000
1931-11-01	39.5000
1931-12-01	42.1000
1932-01-01	39.4000
1932-02-01	39.7000
1932-03-01	37.8000
1932-04-01	36.8000
1932-05-01	39.3000
1932-06-01	41.9000
1932-07-01	45.2000
1932-08-01	44.2000
1932-09-01	45.8000
1932-10-01	36.9000
1932-11-01	35.7000
1932-12-01	40.4000
1933-01-01	35.0000
1933-02-01	35.0000
1933-03-01	30.6000
1933-04-01	35.1000
1933-05-01	36.7000
1933-06-01	47.0000
1933-07-01	49.9000
1933-08-01	52.0000
1933-09-01	53.6000
1933-10-01	48.6000
1933-11-01	39.7000
1933-12-01	45.6000
1934-01-01	41.4000
1934-02-01	41.8000
1934-03-01	41.0000
1934-04-01	43.8000
1934-05-01	41.0000
1934-06-01	50.4000
1934-07-01	53.3000
1934-08-01	55.4000
1934-09-01	53.2000
1934-10-01	47.3000
1934-11-01	41.4000
1934-12-01	49.1000
1935-01-01	45.0000
1935-02-01	45.3000
1935-03-01	42.0000
1935-04-01	43.7000
1935-05-01	42.0000
1935-06-01	49.9000
1935-07-01	51.2000
1935-08-01	55.2000
1935-09-01	52.0000
1935-10-01	45.2000
1935-11-01	45.7000
1935-12-01	52.2000
1936-01-01	49.4000
1936-02-01	49.8000
1936-03-01	46.4000
1936-04-01	48.5000
1936-05-01	47.5000
1936-06-01	59.3000
1936-07-01	64.9000
1936-08-01	66.8000
1936-09-01	61.6000
1936-10-01	55.6000
1936-11-01	54.6000
1936-12-01	59.0000
1937-01-01	56.6000
1937-02-01	56.0000
1937-03-01	53.7000
1937-04-01	53.9000
1937-05-01	54.5000
1937-06-01	63.0000
1937-07-01	67.3000
1937-08-01	67.8000
1937-09-01	63.8000
1937-10-01	56.9000
1937-11-01	54.8000
1937-12-01	59.0000
1938-01-01	56.2000
1938-02-01	52.8000
1938-03-01	48.2000
1938-04-01	52.2000
1938-05-01	51.2000
1938-06-01	58.0000
1938-07-01	62.3000
1938-08-01	58.7000
1938-09-01	56.6000
1938-10-01	51.2000
1938-11-01	49.7000
1938-12-01	56.1000
1939-01-01	53.4000
1939-02-01	51.7000
1939-03-01	48.6000
1939-04-01	52.6000
1939-05-01	52.8000
1939-06-01	63.8000
1939-07-01	68.6000
1939-08-01	66.5000
1939-09-01	64.6000
1939-10-01	57.2000
1939-11-01	50.8000
1939-12-01	59.0000
1940-01-01	56.3000
1940-02-01	54.8000
1940-03-01	54.1000
1940-04-01	52.8000
1940-05-01	52.6000
1940-06-01	64.4000
1940-07-01	66.4000
1940-08-01	72.6000
1940-09-01	67.2000
1940-10-01	58.8000
1940-11-01	56.9000
1940-12-01	65.7000
1941-01-01	64.1000
1941-02-01	65.9000
1941-03-01	64.9000
1941-04-01	66.1000
1941-05-01	64.2000
1941-06-01	77.2000
1941-07-01	79.1000
1941-08-01	84.8000
1941-09-01	77.0000
1941-10-01	71.7000
1941-11-01	71.5000
1941-12-01	83.5000
1942-01-01	86.2000
1942-02-01	91.0000
1942-03-01	88.0000
1942-04-01	99.5000
1942-05-01	108.900
1942-06-01	122.900
1942-07-01	131.900
1942-08-01	146.600
1942-09-01	151.000
1942-10-01	148.100
1942-11-01	155.000
1942-12-01	156.600
1943-01-01	152.300
1943-02-01	161.100
1943-03-01	164.700
1943-04-01	177.100
1943-05-01	183.600
1943-06-01	206.300
1943-07-01	209.800
1943-08-01	214.000