Month	Thousands Of Revenue Ton-Miles
1920-01-01	13.8400
1920-02-01	12.9500
1920-03-01	14.0900
1920-04-01	11.6900
1920-05-01	14.1300
1920-06-01	14.9900
1920-07-01	16.1100
1920-08-01	17.1100
1920-09-01	16.9000
1920-10-01	17.3200
1920-11-01	15.5200
1920-12-01	14.3200
1921-01-01	12.2600
1921-02-01	10.2400
1921-03-01	11.3000
1921-04-01	10.9100
1921-05-01	12.0600
1921-06-01	12.2000
1921-07-01	12.3800
1921-08-01	13.3800
1921-09-01	13.4900
1921-10-01	15.6400
1921-11-01	12.7400
1921-12-01	10.9800
1922-01-01	11.3200
1922-02-01	12.2400
1922-03-01	14.1100
1922-04-01	10.7000
1922-05-01	12.1000
1922-06-01	12.7500
1922-07-01	11.9400
1922-08-01	13.4200
1922-09-01	14.7500
1922-10-01	16.5300
1922-11-01	15.6000
1922-12-01	14.6500
1923-01-01	15.1900
1923-02-01	13.1500
1923-03-01	15.7000
1923-04-01	15.4600
1923-05-01	16.1700
1923-06-01	15.3600
1923-07-01	15.3300
1923-08-01	15.9100
1923-09-01	15.4600
1923-10-01	16.5700
1923-11-01	14.9900
1923-12-01	13.2100
1924-01-01	13.2600
1924-02-01	13.9800
1924-03-01	14.4000
1924-04-01	12.7400
1924-05-01	13.4100
1924-06-01	12.6500
1924-07-01	13.1900
1924-08-01	14.3300
1924-09-01	15.4600
1924-10-01	16.9500
1924-11-01	14.9300
1924-12-01	14.2900
1925-01-01	14.3600
1925-02-01	13.1600
1925-03-01	13.7400
1925-04-01	13.0900
1925-05-01	14.3000
1925-06-01	14.1600
1925-07-01	14.8300
1925-08-01	16.1100
1925-09-01	16.1600
1925-10-01	17.0500
1925-11-01	15.7900
1925-12-01	14.8500
1926-01-01	14.3100
1926-02-01	13.5600
1926-03-01	15.0700
1926-04-01	14.0300
1926-05-01	15.2300
1926-06-01	15.2700
1926-07-01	16.1900
1926-08-01	16.9200
1926-09-01	17.1900
1926-10-01	18.5100
1926-11-01	16.9700
1926-12-01	15.3200
1927-01-01	14.5900
1927-02-01	14.1000
1927-03-01	15.8600
1927-04-01	14.1200
1927-05-01	15.3100
1927-06-01	14.8000
1927-07-01	14.6100
1927-08-01	16.1500
1927-09-01	16.4800
1927-10-01	17.6400
1927-11-01	14.5700
1927-12-01	13.3700
1928-01-01	13.7700
1928-02-01	13.7500
1928-03-01	15.1900
1928-04-01	13.8000
1928-05-01	15.3900
1928-06-01	14.5300
1928-07-01	15.1800
1928-08-01	16.5400
1928-09-01	17.0200
1928-10-01	19.3000
1928-11-01	16.6500
1928-12-01	14.9400
1929-01-01	15.2400
1929-02-01	15.0300
1929-03-01	15.6300
1929-04-01	15.1800
1929-05-01	16.4000
1929-06-01	15.8100
1929-07-01	16.4300
1929-08-01	17.6000
1929-09-01	17.3200
1929-10-01	18.8600
1929-11-01	15.1900
1929-12-01	14.0900
1930-01-01	14.1500
1930-02-01	13.4200
1930-03-01	13.6100
1930-04-01	13.5500
1930-05-01	14.2400
1930-06-01	13.4500
1930-07-01	14.0000
1930-08-01	14.7200
1930-09-01	14.5400
1930-10-01	15.7000
1930-11-01	12.8500
1930-12-01	11.6100
1931-01-01	11.9100
1931-02-01	10.7400
1931-03-01	11.9400
1931-04-01	11.4400
1931-05-01	11.8800
1931-06-01	11.4600
1931-07-01	12.3500
1931-08-01	12.0600
1931-09-01	11.6100
1931-10-01	12.5100
1931-11-01	10.4500
1931-12-01	9.43000
1932-01-01	9.35000
1932-02-01	9.05000
1932-03-01	9.87000
1932-04-01	8.87000
1932-05-01	8.38000
1932-06-01	7.93000
1932-07-01	8.11000
1932-08-01	8.63000
1932-09-01	10.0400
1932-10-01	11.7000
1932-11-01	9.71000
1932-12-01	9.41000
1933-01-01	8.89000
1933-02-01	8.62000
1933-03-01	8.70000
1933-04-01	8.97000
1933-05-01	10.0900
1933-06-01	11.0900
1933-07-01	12.4600
1933-08-01	12.4800
1933-09-01	12.3300
1933-10-01	12.5300
1933-11-01	11.4500
1933-12-01	10.5600
1934-01-01	11.4400
1934-02-01	11.1600
1934-03-01	13.3100
1934-04-01	11.2400
1934-05-01	11.2300
1934-06-01	12.2900
1934-07-01	11.8700
1934-08-01	12.4000
1934-09-01	12.7200
1934-10-01	13.2800
1934-11-01	11.9700
1934-12-01	11.6600
1935-01-01	12.5300
1935-02-01	12.2200
1935-03-01	13.8100
1935-04-01	12.0000
1935-05-01	12.5000
1935-06-01	13.1400
1935-07-01	11.8300
1935-08-01	13.2800
1935-09-01	14.4300
1935-10-01	16.1800
1935-11-01	14.3000
1935-12-01	13.6100
1936-01-01	14.5400
1936-02-01	15.3800
1936-03-01	14.7800
1936-04-01	14.7400
1936-05-01	15.7900
1936-06-01	15.4500
1936-07-01	16.6800
1936-08-01	17.1800
1936-09-01	17.6900
1936-10-01	19.7700
1936-11-01	17.9700
1936-12-01	17.9300
1937-01-01	17.0400
1937-02-01	16.4200
1937-03-01	18.9000
1937-04-01	16.6800
1937-05-01	17.6300
1937-06-01	16.6200
1937-07-01	17.3600
1937-08-01	17.3900
1937-09-01	18.0800
1937-10-01	18.9800
1937-11-01	15.1200
1937-12-01	14.0200
1938-01-01	13.5300
1938-02-01	12.1200
1938-03-01	13.6500
1938-04-01	12.0200
1938-05-01	12.6100
1938-06-01	12.8800
1938-07-01	14.1300
1938-08-01	14.9700
1938-09-01	15.7900
1938-10-01	17.7300
1938-11-01	15.5600
1938-12-01	15.2500
1939-01-01	15.2900
1939-02-01	13.8500
1939-03-01	15.6000
1939-04-01	13.0000
1939-05-01	14.0900
1939-06-01	15.7200
1939-07-01	16.5700
1939-08-01	17.4300
1939-09-01	20.0500
1939-10-01	22.0900
1939-11-01	19.0600
1939-12-01	16.8000
1940-01-01	17.4100
1940-02-01	15.9800
1940-03-01	16.6900
1940-04-01	16.2500
1940-05-01	17.9700
1940-06-01	17.8400
1940-07-01	18.4200
1940-08-01	19.6800
1940-09-01	19.9300
1940-10-01	20.7900
1940-11-01	19.0500
1940-12-01	18.5300
1941-01-01	18.8600
1941-02-01	17.8200
1941-03-01	21.1700
1941-04-01	16.3800
1941-05-01	22.3200
1941-06-01	22.5700
1941-07-01	23.5500
1941-08-01	24.8200
1941-09-01	23.9500
1941-10-01	25.6200
1941-11-01	22.7200
1941-12-01	21.8900
1942-01-01	22.5800
1942-02-01	21.3900
1942-03-01	25.2400
1942-04-01	25.8200
1942-05-01	27.7700
1942-06-01	27.4800
1942-07-01	28.9900
1942-08-01	29.7900
1942-09-01	29.2800
1942-10-01	31.1100
1942-11-01	28.5700
1942-12-01	27.5200
1943-01-01	27.4200
1943-02-01	27.2600
1943-03-01	30.8900
1943-06-01	29.2200
1943-07-01	32.1100
1943-08-01	32.4900