Month	Ton-Miles
1920-01-01	3923.00
1920-02-01	4036.00
1920-03-01	4118.00
1920-04-01	4350.00
1920-05-01	4694.00
1920-06-01	5099.00
1920-07-01	5237.00
1920-08-01	5251.00
1920-09-01	5115.00
1920-10-01	4823.00
1920-11-01	4298.00
1920-12-01	3928.00
1921-01-01	3720.00
1921-02-01	3830.00
1921-03-01	4190.00
1921-04-01	4409.00
1921-05-01	4713.00
1921-06-01	4978.00
1921-07-01	4910.00
1921-08-01	4927.00
1921-09-01	4881.00
1921-10-01	4668.00
1921-11-01	4185.00
1921-12-01	3986.00
1922-01-01	3852.00
1922-02-01	4173.00
1922-03-01	440.000
1922-04-01	4282.00
1922-05-01	4667.00
1922-06-01	5026.00
1922-07-01	4950.00
1922-08-01	5030.00
1922-09-01	5007.00
1922-10-01	4672.00
1922-11-01	4338.00
1922-12-01	3964.00
1923-01-01	4058.00
1923-02-01	3848.00
1923-03-01	4180.00
1923-04-01	4523.00
1923-05-01	4839.00
1923-06-01	5057.00
1923-07-01	5098.00
1923-08-01	5141.00
1923-09-01	4966.00
1923-10-01	4744.00
1923-11-01	4484.00
1923-12-01	4319.00
1924-01-01	3965.00
1924-02-01	4259.00
1924-03-01	4418.00
1924-04-01	4668.00
1924-05-01	4942.00
1924-06-01	5184.00
1924-07-01	5230.00
1924-08-01	5421.00
1924-09-01	5328.00
1924-10-01	5294.00
1924-11-01	4865.00
1924-12-01	4471.00
1925-01-01	4346.00
1925-02-01	4649.00
1925-03-01	4773.00
1925-04-01	5045.00
1925-05-01	5327.00
1925-06-01	5612.00
1925-07-01	5688.00
1925-08-01	5770.00
1925-09-01	5678.00
1925-10-01	5152.00
1925-11-01	4877.00
1925-12-01	4595.00
1926-01-01	4424.00
1926-02-01	4600.00
1926-03-01	4705.00
1926-04-01	4929.00
1926-05-01	5455.00
1926-06-01	5742.00
1926-07-01	5942.00
1926-08-01	5980.00
1926-09-01	5828.00
1926-10-01	5593.00
1926-11-01	5155.00
1926-12-01	4645.00
1927-01-01	4541.00
1927-02-01	4928.00
1927-03-01	5150.00
1927-04-01	5214.00
1927-05-01	5578.00
1927-06-01	5783.00
1927-07-01	5829.00
1927-08-01	6027.00
1927-09-01	5938.00
1927-10-01	5611.00
1927-11-01	5122.00
1927-12-01	4615.00
1928-01-01	4707.00
1928-02-01	4842.00
1928-03-01	5062.00
1928-04-01	5101.00
1928-05-01	5668.00
1928-06-01	5806.00
1928-07-01	5983.00
1928-08-01	6114.00
1928-09-01	5937.00
1928-10-01	5928.00
1928-11-01	5422.00
1928-12-01	5077.00
1929-01-01	4803.00
1929-02-01	4863.00
1929-03-01	5118.00
1929-04-01	5485.00
1929-05-01	5742.00
1929-06-01	6052.00
1929-07-01	6179.00
1929-08-01	6355.00
1929-09-01	6109.00
1929-10-01	5827.00
1929-11-01	5157.00
1929-12-01	4914.00
1930-01-01	4766.00
1930-02-01	5170.00
1930-03-01	5074.00
1930-04-01	5451.00
1930-05-01	5801.00
1930-06-01	6017.00
1930-07-01	6188.00
1930-08-01	6320.00
1930-09-01	6148.00
1930-10-01	5747.00
1930-11-01	5210.00
1930-12-01	4921.00
1931-01-01	5034.00
1931-02-01	5117.00
1931-03-01	5066.00
1931-04-01	5257.00
1931-05-01	5473.00
1931-06-01	5735.00
1931-07-01	5967.00
1931-08-01	5945.00
1931-09-01	5810.00
1931-10-01	5519.00
1931-11-01	5125.00
1931-12-01	4768.00
1932-01-01	4733.00
1932-02-01	4773.00
1932-03-01	4709.00
1932-04-01	4888.00
1932-05-01	5002.00
1932-06-01	5174.00
1932-07-01	5281.00
1932-08-01	5464.00
1932-09-01	5613.00
1932-10-01	5362.00
1932-11-01	4884.00
1932-12-01	4591.00
1933-01-01	4660.00
1933-02-01	4584.00
1933-03-01	4641.00
1933-04-01	4932.00
1933-05-01	5278.00
1933-06-01	5723.00
1933-07-01	5961.00
1933-08-01	5919.00
1933-09-01	5787.00
1933-10-01	5339.00
1933-11-01	4945.00
1933-12-01	4754.00
1934-01-01	4768.00
1934-02-01	4675.00
1934-03-01	4948.00
1934-04-01	5006.00
1934-05-01	5408.00
1934-06-01	5649.00
1934-07-01	5528.00
1934-08-01	5526.00
1934-09-01	5518.00
1934-10-01	5350.00
1934-11-01	5073.00
1934-12-01	4726.00
1935-01-01	4690.00
1935-02-01	4886.00
1935-03-01	5166.00
1935-04-01	5013.00
1935-05-01	5354.00
1935-06-01	5807.00
1935-07-01	5539.00
1935-08-01	5837.00
1935-09-01	5966.00
1935-10-01	5695.00
1935-11-01	5313.00
1935-12-01	4812.00
1936-01-01	4718.00
1936-02-01	4715.00
1936-03-01	5026.00
1936-04-01	5231.00
1936-05-01	5721.00
1936-06-01	5910.00
1936-07-01	6089.00
1936-08-01	6169.00
1936-09-01	6194.00
1936-10-01	5977.00
1936-11-01	5496.00
1936-12-01	5206.00
1937-01-01	5020.00
1937-02-01	5182.00
1937-03-01	5554.00
1937-04-01	5561.00
1937-05-01	5994.00
1937-06-01	6110.00
1937-07-01	6274.00
1937-08-01	6359.00
1937-09-01	6403.00
1937-10-01	5911.00
1937-11-01	5306.00
1937-12-01	4924.00
1938-01-01	4978.00
1938-02-01	5001.00
1938-03-01	5267.00
1938-04-01	5133.00
1938-05-01	5487.00
1938-06-01	5781.00
1938-07-01	6082.00
1938-08-01	6164.00
1938-09-01	6263.00
1938-10-01	6018.00
1938-11-01	5479.00
1938-12-01	5134.00
1939-01-01	5182.00
1939-02-01	5065.00
1939-03-01	5332.00
1939-04-01	5025.00
1939-05-01	5392.00
1939-06-01	6061.00
1939-07-01	6389.00
1939-08-01	6496.00
1939-09-01	6783.00
1939-10-01	6504.00
1939-11-01	5996.00
1939-12-01	5443.00
1940-01-01	4962.00
1940-02-01	5186.00
1940-03-01	5392.00
1940-04-01	5684.00
1940-05-01	6214.00
1940-06-01	6551.00
1940-07-01	6662.00
1940-08-01	6802.00
1940-09-01	6766.00
1940-10-01	6336.00
1940-11-01	5805.00
1940-12-01	5472.00
1941-01-01	5489.00
1941-02-01	5469.00
1941-03-01	5786.00
1941-04-01	5442.00
1941-05-01	6586.00
1941-06-01	6878.00
1941-07-01	7035.00
1941-08-01	7133.00
1941-09-01	6955.00
1941-10-01	6708.00
1941-11-01	6206.00
1941-12-01	5820.00
1942-01-01	5608.00
1942-02-01	5799.00
1942-03-01	6231.00
1942-04-01	6681.00
1942-05-01	7061.00
1942-06-01	7392.00