Month	Thousands Of Ton-Miles: Seasonally Adjusted By Nber
1920-01-01	14.1700
1920-02-01	14.7500
1920-03-01	13.7900
1920-04-01	12.1200
1920-05-01	12.9000
1920-06-01	13.6100
1920-07-01	14.0900
1920-08-01	14.4400
1920-09-01	14.4500
1920-10-01	13.9200
1920-11-01	14.1400
1920-12-01	13.9000
1921-01-01	12.2500
1921-02-01	11.2500
1921-03-01	10.6000
1921-04-01	10.6100
1921-05-01	10.1900
1921-06-01	10.2100
1921-07-01	9.87000
1921-08-01	10.2900
1921-09-01	10.5000
1921-10-01	11.5400
1921-11-01	10.8100
1921-12-01	10.0700
1922-01-01	10.2700
1922-02-01	11.6800
1922-03-01	12.2800
1922-04-01	10.2500
1922-05-01	10.6800
1922-06-01	11.5100
1922-07-01	10.4500
1922-08-01	10.8900
1922-09-01	11.9900
1922-10-01	12.3700
1922-11-01	13.3300
1922-12-01	13.7400
1923-01-01	14.5200
1923-02-01	13.3200
1923-03-01	14.4500
1923-04-01	15.6400
1923-05-01	15.1400
1923-06-01	14.7300
1923-07-01	14.3600
1923-08-01	13.8500
1923-09-01	13.3200
1923-10-01	13.0700
1923-11-01	13.2600
1923-12-01	12.7300
1924-01-01	12.9900
1924-02-01	14.4400
1924-03-01	13.5000
1924-04-01	13.0800
1924-05-01	12.7300
1924-06-01	12.2200
1924-07-01	12.3200
1924-08-01	12.3700
1924-09-01	13.1200
1924-10-01	13.1500
1924-11-01	13.0400
1924-12-01	13.5900
1925-01-01	13.8700
1925-02-01	13.4700
1925-03-01	12.7800
1925-04-01	13.3700
1925-05-01	13.5100
1925-06-01	13.6300
1925-07-01	13.8700
1925-08-01	13.9800
1925-09-01	13.8500
1925-10-01	13.3800
1925-11-01	13.9200
1925-12-01	14.2900
1926-01-01	14.0200
1926-02-01	14.0400
1926-03-01	14.1800
1926-04-01	14.5100
1926-05-01	14.5900
1926-06-01	14.9200
1926-07-01	15.3500
1926-08-01	14.8600
1926-09-01	14.9200
1926-10-01	14.6800
1926-11-01	15.1500
1926-12-01	14.9400
1927-01-01	14.6100
1927-02-01	14.5500
1927-03-01	15.0700
1927-04-01	14.3100
1927-05-01	14.5400
1927-06-01	14.3200
1927-07-01	13.5900
1927-08-01	14.3500
1927-09-01	14.2600
1927-10-01	14.1200
1927-11-01	13.7300
1927-12-01	13.5300
1928-01-01	13.7600
1928-02-01	14.1600
1928-03-01	14.3800
1928-04-01	13.9100
1928-05-01	14.5200
1928-06-01	14.0400
1928-07-01	14.1000
1928-08-01	14.6500
1928-09-01	14.6600
1928-10-01	15.4000
1928-11-01	15.6400
1928-12-01	15.1100
1929-01-01	15.1900
1929-02-01	15.4300
1929-03-01	14.7700
1929-04-01	15.3000
1929-05-01	15.5100
1929-06-01	15.2900
1929-07-01	15.2800
1929-08-01	15.6700
1929-09-01	15.0000
1929-10-01	15.1300
1929-11-01	14.3500
1929-12-01	14.3200
1930-01-01	14.2000
1930-02-01	13.8800
1930-03-01	12.9600
1930-04-01	13.7400
1930-05-01	13.5300
1930-06-01	13.0200
1930-07-01	13.0200
1930-08-01	13.0300
1930-09-01	12.4700
1930-10-01	12.4300
1930-11-01	11.9600
1930-12-01	11.6400
1931-01-01	11.8200
1931-02-01	10.9600
1931-03-01	11.1700
1931-04-01	11.4000
1931-05-01	11.0900
1931-06-01	10.9000
1931-07-01	11.2800
1931-08-01	10.4900
1931-09-01	9.78000
1931-10-01	9.73000
1931-11-01	9.55000
1931-12-01	9.26000
1932-01-01	9.07000
1932-02-01	9.00000
1932-03-01	9.00000
1932-04-01	8.60000
1932-05-01	7.60000
1932-06-01	7.33000
1932-07-01	7.18000
1932-08-01	7.27000
1932-09-01	8.16000
1932-10-01	8.75000
1932-11-01	8.52000
1932-12-01	8.86000
1933-01-01	8.26000
1933-02-01	8.24000
1933-03-01	7.61000
1933-04-01	8.32000
1933-05-01	8.73000
1933-06-01	9.73000
1933-07-01	10.5000
1933-08-01	10.0700
1933-09-01	9.72000
1933-10-01	9.14000
1933-11-01	9.79000
1933-12-01	9.68000
1934-01-01	10.3800
1934-02-01	10.4300
1934-03-01	11.4800
1934-04-01	10.3600
1934-05-01	10.5700
1934-06-01	10.8100
1934-07-01	10.0500
1934-08-01	10.0500
1934-09-01	10.0000
1934-10-01	9.63000
1934-11-01	10.2100
1934-12-01	10.6900
1935-01-01	11.0700
1935-02-01	11.4000
1935-03-01	11.8600
1935-04-01	11.7200
1935-05-01	11.1400
1935-06-01	11.7300
1935-07-01	10.2600
1935-08-01	10.9900
1935-09-01	11.4100
1935-10-01	11.7500
1935-11-01	12.0100
1935-12-01	12.1100
1936-01-01	12.9200
1936-02-01	14.4400
1936-03-01	12.7800
1936-04-01	14.5200
1936-05-01	14.1900
1936-06-01	13.8800
1936-07-01	14.5600
1936-08-01	14.3200
1936-09-01	14.1700
1936-10-01	14.6600
1936-11-01	15.4900
1936-12-01	16.4600
1937-01-01	15.6600
1937-02-01	15.9100
1937-03-01	16.8900
1937-04-01	17.0400
1937-05-01	16.4500
1937-06-01	15.5200
1937-07-01	15.7900
1937-08-01	15.0900
1937-09-01	15.0200
1937-10-01	14.4700
1937-11-01	13.3200
1937-12-01	13.0800
1938-01-01	12.5500
1938-02-01	11.7800
1938-03-01	12.1600
1938-04-01	12.1400
1938-05-01	11.5700
1938-06-01	11.7500
1938-07-01	12.4700
1938-08-01	12.5900
1938-09-01	12.7400
1938-10-01	13.1500
1938-11-01	13.3200
1938-12-01	13.8100
1939-01-01	13.8300
1939-02-01	13.2300
1939-03-01	13.7100
1939-04-01	13.0100
1939-05-01	12.8400
1939-06-01	14.3100
1939-07-01	14.6300
1939-08-01	14.7200
1939-09-01	16.3400
1939-10-01	16.7900
1939-11-01	16.9200
1939-12-01	15.8700
1940-01-01	16.4000
1940-02-01	15.8500
1940-03-01	15.1900
1940-04-01	16.8100
1940-05-01	17.0100
1940-06-01	16.9100
1940-07-01	17.0000
1940-08-01	17.4600
1940-09-01	16.9700
1940-10-01	16.3400
1940-11-01	17.3700
1940-12-01	17.9500
1941-01-01	18.2400
1941-02-01	18.1800
1941-03-01	19.8700
1941-04-01	17.5500
1941-05-01	21.9200
1941-06-01	22.2500
1941-07-01	22.6600
1941-08-01	22.8800
1941-09-01	21.1700
1941-10-01	20.8500
1941-11-01	21.3700
1941-12-01	21.8400
1942-01-01	22.5000
1942-02-01	22.4700
1942-03-01	24.3600
1942-04-01	28.3500
1942-05-01	27.9000
1942-06-01	27.6400
1942-07-01	28.3500
1942-08-01	27.8800
1942-09-01	26.2800
1942-10-01	25.7100
1942-11-01	27.2500
1942-12-01	27.7800
1943-01-01	27.6100
1943-02-01	28.9100
1943-03-01	30.1000
1943-04-01	33.0200
1943-05-01	31.7200
1943-06-01	29.5400
1943-07-01	31.5000
1943-08-01	30.6000