Monthly 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