Month Thousands Of Short Tons 1919-12-01 37.5000 1920-01-01 40.3000 1920-02-01 37.1000 1920-03-01 31.0000 1920-04-01 32.5000 1920-05-01 29.3000 1920-06-01 26.9000 1920-07-01 29.0000 1920-08-01 29.6000 1920-09-01 42.9000 1920-10-01 51.2000 1920-11-01 64.4000 1920-12-01 71.1000 1921-01-01 76.0000 1921-02-01 78.0000 1921-03-01 81.0000 1921-04-01 79.6000 1921-05-01 83.7000 1921-06-01 89.9000 1921-07-01 92.4000 1921-08-01 86.5000 1921-09-01 81.1000 1921-10-01 70.8000 1921-11-01 67.0000 1921-12-01 66.6000 1922-01-01 65.7000 1922-02-01 64.1000 1922-03-01 60.3000 1922-04-01 51.7000 1922-05-01 40.4000 1922-06-01 29.6000 1922-07-01 28.6000 1922-08-01 21.6000 1922-09-01 18.8000 1922-10-01 18.0000 1922-11-01 19.5000 1922-12-01 18.3000 1923-01-01 16.6000 1923-02-01 10.9000 1923-03-01 10.0000 1923-04-01 9.00000 1923-05-01 13.0000 1923-06-01 17.2000 1923-07-01 21.2000 1923-08-01 26.5000 1923-09-01 22.9000 1923-10-01 25.8000 1923-11-01 30.9000 1923-12-01 36.6000 1924-01-01 40.7000 1924-02-01 37.2000 1924-03-01 32.1000 1924-04-01 32.8000 1924-05-01 42.4000 1924-06-01 49.7000 1924-07-01 52.7000 1924-08-01 50.9000 1924-09-01 45.7000 1924-10-01 38.5000 1924-11-01 26.9000 1924-12-01 21.2000 1925-01-01 19.0000 1925-02-01 16.7000 1925-03-01 17.2000 1925-04-01 18.3000 1925-05-01 21.2000 1925-06-01 22.9000 1925-07-01 20.8000 1925-08-01 17.0000 1925-09-01 11.8000 1925-10-01 7.50000 1925-11-01 6.90000 1925-12-01 9.30000 1926-01-01 14.3000 1926-02-01 20.3000 1926-03-01 20.6000 1926-04-01 26.0000 1926-05-01 29.9000 1926-06-01 25.8000 1926-07-01 23.0000 1926-08-01 18.2000 1926-09-01 15.7000 1926-10-01 15.9000 1926-11-01 14.5000 1926-12-01 21.9000 1927-01-01 29.9000 1927-02-01 32.9000 1927-03-01 36.3000 1927-04-01 41.2000 1927-05-01 42.0000 1927-06-01 43.9000 1927-07-01 39.3000 1927-08-01 34.6000 1927-09-01 34.3000 1927-10-01 36.2000 1927-11-01 39.3000 1927-12-01 40.8000 1928-01-01 42.2000 1928-02-01 41.3000 1928-03-01 41.5000 1928-04-01 44.8000 1928-05-01 45.2000 1928-06-01 44.5000 1928-07-01 42.2000 1928-08-01 44.4000 1928-09-01 47.9000 1928-10-01 46.1000 1928-11-01 46.5000 1928-12-01 45.4000 1929-01-01 45.4000 1929-02-01 40.6000 1929-03-01 38.0000 1929-04-01 34.6000 1929-05-01 33.8000 1929-06-01 36.9000 1929-07-01 44.1000 1929-08-01 47.8000 1929-09-01 53.4000