Month	Dollars Per Long Ton
1923-01-01	13.8700
1923-02-01	13.8700
1923-03-01	13.8300
1923-04-01	13.3600
1923-05-01	13.4100
1923-06-01	13.5000
1923-07-01	13.6100
1923-08-01	13.7400
1923-09-01	14.2000
1923-10-01	14.3900
1923-11-01	14.3300
1923-12-01	14.4200
1924-01-01	14.2800
1924-02-01	14.2400
1924-03-01	14.0800
1924-04-01	13.3900
1924-05-01	13.4900
1924-06-01	13.6100
1924-07-01	13.7600
1924-08-01	13.8700
1924-09-01	13.9800
1924-10-01	14.0700
1924-11-01	14.0600
1924-12-01	14.0900
1925-01-01	13.9900
1925-02-01	13.9600
1925-03-01	13.7600
1925-04-01	13.1500
1925-05-01	13.1300
1925-06-01	13.2100
1925-07-01	13.3700
1925-08-01	13.6600
1925-09-01	14.1200
1926-01-01	15.6800
1926-02-01	14.2500
1926-03-01	14.1000
1926-04-01	13.7100
1926-05-01	13.6200
1926-06-01	13.5600
1926-07-01	13.6400
1926-08-01	13.7400
1926-09-01	13.7700
1926-10-01	13.8000
1926-11-01	13.8700
1926-12-01	13.8500
1927-01-01	13.7800
1927-02-01	13.7200
1927-03-01	13.3400
1927-04-01	12.9300
1927-05-01	12.8700
1927-06-01	13.0600
1927-07-01	13.1500
1927-08-01	13.2100
1927-09-01	13.3500
1927-10-01	13.3900
1927-11-01	13.3900
1927-12-01	13.3900
1928-01-01	13.1300
1928-02-01	13.2300
1928-03-01	13.2100
1928-04-01	12.7600
1928-05-01	12.7500
1928-06-01	12.9500
1928-07-01	12.9600
1928-08-01	12.8500
1928-09-01	13.0400
1928-10-01	13.0400
1928-11-01	13.0400
1928-12-01	13.0400
1929-01-01	13.1100
1929-02-01	13.1100
1929-03-01	13.0800
1929-04-01	12.6500
1929-05-01	12.5400
1929-06-01	12.6300
1929-07-01	12.7500
1929-08-01	12.8500
1929-09-01	12.9200
1929-10-01	13.0000
1929-11-01	13.0000
1929-12-01	13.0000
1930-01-01	13.0300
1930-02-01	13.0300
1930-03-01	13.0300
1930-04-01	12.8900
1930-05-01	12.4400
1930-06-01	12.2500
1930-07-01	12.3700
1930-08-01	12.5800
1930-09-01	12.7100
1930-10-01	12.7600
1930-11-01	12.7500
1930-12-01	12.7500
1931-01-01	12.7300
1931-02-01	12.7300
1931-03-01	12.6100
1931-04-01	12.2000
1931-05-01	12.3300
1931-06-01	12.4700
1931-07-01	12.6800
1931-08-01	12.8600
1931-09-01	13.1500
1931-10-01	13.1500
1931-11-01	13.1500
1931-12-01	13.1700
1932-01-01	13.1700
1932-02-01	13.1700
1932-03-01	12.4000
1932-04-01	11.8000
1932-05-01	11.7800
1932-06-01	11.7500
1932-07-01	11.5800
1932-08-01	11.8100
1932-09-01	12.0700
1932-10-01	12.2200
1932-11-01	12.2400
1932-12-01	12.2300
1933-01-01	12.2300
1933-02-01	12.2300
1933-03-01	12.1800
1933-04-01	11.3100
1933-05-01	10.7700
1933-06-01	10.4600
1933-07-01	10.6900
1933-08-01	10.8100
1933-09-01	11.1600
1933-10-01	11.1200
1933-11-01	11.1200
1933-12-01	11.1200
1934-01-01	11.1000
1934-02-01	11.0700
1934-03-01	11.0600
1934-04-01	10.5900
1934-05-01	10.1700
1934-06-01	10.3200
1934-07-01	10.5900
1934-08-01	10.7500
1934-09-01	10.9300
1934-10-01	10.9900
1934-11-01	11.0100
1934-12-01	11.0300
1935-01-01	11.0300
1935-02-01	11.0200
1935-03-01	10.8800
1935-04-01	10.2200
1935-05-01	9.87000
1935-06-01	9.99000
1935-07-01	10.3500
1935-08-01	10.5700
1935-09-01	10.8200
1935-10-01	11.1700
1935-11-01	11.2700
1935-12-01	11.2500
1936-01-01	11.1800
1936-02-01	11.2200
1936-03-01	11.2000
1936-04-01	10.8700
1936-05-01	10.4000
1936-06-01	10.4500
1936-07-01	10.6000
1936-08-01	10.7300
1936-09-01	10.9200
1936-10-01	11.0800
1936-11-01	11.1000
1936-12-01	11.0900
1937-01-01	11.0100
1937-02-01	11.0000
1937-03-01	10.5400
1937-04-01	9.80000
1937-05-01	10.0300
1937-06-01	10.0500
1937-07-01	10.3000
1937-08-01	10.3400
1937-09-01	10.5800
1937-10-01	10.6100
1937-11-01	10.7600
1937-12-01	10.8000
1938-01-01	10.8400
1938-02-01	10.7900
1938-03-01	10.7100
1938-04-01	10.3000
1938-05-01	10.0200
1938-06-01	10.1100
1938-07-01	10.3400
1938-08-01	10.5600
1938-09-01	10.7500
1938-10-01	10.7600
1938-11-01	10.8800
1938-12-01	10.8700
1939-01-01	10.9000
1939-02-01	10.8600
1939-03-01	10.8000
1939-04-01	10.1700
1939-05-01	10.2500
1939-06-01	10.2500
1939-07-01	9.71000
1939-08-01	9.63000
1939-09-01	9.69000
1939-10-01	10.1100
1939-11-01	10.2600
1939-12-01	10.2500
1940-01-01	10.6400
1940-02-01	10.7300
1940-03-01	10.7300
1940-04-01	10.5100
1940-05-01	10.3900
1940-06-01	10.4500
1940-07-01	10.6000
1940-08-01	10.7000
1940-09-01	10.7900
1940-10-01	10.9400
1940-11-01	10.9500
1940-12-01	10.9700
1941-01-01	11.0000
1941-02-01	11.0100
1941-03-01	10.9800
1941-04-01	10.9700
1941-05-01	10.9500
1941-06-01	10.9800
1941-07-01	11.1300
1941-08-01	11.2800