Monthly Millions Of Passenger-Miles
1931-07-01 13.5000
1931-08-01 14.3100
1931-09-01 13.1800
1931-10-01 11.1200
1931-11-01 7.46000
1931-12-01 6.02000
1932-01-01 6.08000
1932-02-01 5.79000
1932-03-01 8.14000
1932-04-01 10.3100
1932-05-01 11.7000
1932-06-01 12.5100
1932-07-01 14.7700
1932-08-01 15.9400
1932-09-01 14.5900
1932-10-01 11.1900
1932-11-01 9.10000
1932-12-01 6.91000
1933-01-01 7.86000
1933-02-01 7.65000
1933-03-01 8.09000
1933-04-01 9.38000
1933-05-01 12.6500
1933-06-01 18.8600
1933-07-01 21.4200
1933-08-01 22.8000
1933-09-01 21.5200
1933-10-01 19.3600
1933-11-01 13.4900
1933-12-01 10.4100
1934-01-01 10.7800
1934-02-01 10.4800
1934-03-01 8.72000
1934-04-01 12.3700
1934-05-01 15.0400
1934-06-01 17.9000
1934-07-01 18.1500
1934-08-01 21.4900
1934-09-01 19.0400
1934-10-01 21.0000
1934-11-01 17.3000
1934-12-01 15.5900
1935-01-01 13.4100
1935-02-01 16.2300
1935-03-01 24.7500
1935-04-01 26.7500
1935-05-01 27.0700
1935-06-01 31.2300
1935-07-01 34.0400
1935-08-01 35.7300
1935-09-01 32.0200
1935-10-01 28.7900
1935-11-01 20.8400
1935-12-01 23.0500
1936-01-01 18.9800
1936-02-01 18.1200
1936-03-01 31.7300
1936-04-01 30.3300
1936-05-01 40.0900
1936-06-01 40.2500
1936-07-01 44.3600
1936-08-01 43.1100
1936-09-01 43.5100
1936-10-01 44.4100
1936-11-01 42.8900
1936-12-01 37.9500
1937-01-01 21.3800
1937-02-01 26.1100
1937-03-01 34.5800
1937-04-01 33.1400
1937-05-01 42.0200
1937-06-01 47.2900
1937-07-01 50.8000
1937-08-01 51.9400
1937-09-01 54.2300
1937-10-01 49.1900
1937-11-01 34.7100
1937-12-01 31.2200
1938-01-01 32.4600
1938-02-01 34.3900
1938-03-01 43.5500
1938-04-01 44.4100
1938-05-01 48.8100
1938-06-01 47.5100
1938-07-01 50.8600
1938-08-01 56.4000
1938-09-01 54.8100
1938-10-01 56.8300
1938-11-01 46.0900
1938-12-01 41.5900
1939-01-01 38.4000
1939-02-01 35.0000
1939-03-01 49.4500
1939-04-01 53.4800
1939-05-01 63.3600
1939-06-01 70.2000
1939-07-01 72.9200
1939-08-01 75.1500
1939-09-01 75.8000
1939-10-01 77.4700
1939-11-01 67.0300
1939-12-01 71.5300
1940-01-01 61.3600
1940-02-01 58.9400
1940-03-01 80.6900
1940-04-01 88.0600
1940-05-01 100.040
1940-06-01 110.840
1940-07-01 112.380
1940-08-01 121.600
1940-09-01 118.530
1940-10-01 125.920
1940-11-01 90.7000
1940-12-01 78.3900
1941-01-01 78.3400
1941-02-01 84.6400
1941-03-01 96.6600
1941-04-01 114.750
1941-05-01 133.980
1941-06-01 141.910
1941-07-01 147.420
1941-08-01 158.070
1941-09-01 158.150
1941-10-01 150.920
1941-11-01 115.830
1941-12-01 111.080