Monthly Ton-Miles
1920-01-01 654.000
1920-02-01 675.000
1920-03-01 703.000
1920-04-01 647.000
1920-05-01 725.000
1920-06-01 735.000
1920-07-01 745.000
1920-08-01 762.000
1920-09-01 746.000
1920-10-01 737.000
1920-11-01 691.000
1920-12-01 657.000
1921-01-01 617.000
1921-02-01 617.000
1921-03-01 627.000
1921-04-01 638.000
1921-05-01 674.000
1921-06-01 670.000
1921-07-01 659.000
1921-08-01 671.000
1921-09-01 679.000
1921-10-01 704.000
1921-11-01 633.000
1921-12-01 608.000
1922-01-01 632.000
1922-02-01 674.000
1922-03-01 690.000
1922-04-01 614.000
1922-05-01 635.000
1922-06-01 654.000
1922-07-01 644.000
1922-08-01 689.000
1922-09-01 721.000
1922-10-01 731.000
1922-11-01 719.000
1922-12-01 681.000
1923-01-01 692.000
1923-02-01 672.000
1923-03-01 709.000
1923-04-01 722.000
1923-05-01 725.000
1923-06-01 731.000
1923-07-01 732.000
1923-08-01 745.000
1923-09-01 733.000
1923-10-01 722.000
1923-11-01 701.000
1923-12-01 669.000
1924-01-01 666.000
1924-02-01 706.000
1924-03-01 703.000
1924-04-01 682.000
1924-05-01 704.000
1924-06-01 706.000
1924-07-01 704.000
1924-08-01 747.000
1924-09-01 759.000
1924-10-01 771.000
1924-11-01 742.000
1924-12-01 684.000
1925-01-01 709.000
1925-02-01 722.000
1925-03-01 720.000
1925-04-01 712.000
1925-05-01 755.000
1925-06-01 744.000
1925-07-01 758.000
1925-08-01 796.000
1925-09-01 777.000
1925-10-01 760.000
1925-11-01 755.000
1925-12-01 716.000
1926-01-01 720.000
1926-02-01 736.000
1926-03-01 728.000
1926-04-01 725.000
1926-05-01 771.000
1926-06-01 780.000
1926-07-01 793.000
1926-08-01 820.000
1926-09-01 816.000
1926-10-01 829.000
1926-11-01 793.000
1926-12-01 743.000
1927-01-01 748.000
1927-02-01 772.000
1927-03-01 785.000
1927-04-01 754.000
1927-05-01 787.000
1927-06-01 785.000
1927-07-01 781.000
1927-08-01 813.000
1927-09-01 819.000
1927-10-01 805.000
1927-11-01 754.000
1927-12-01 718.000
1928-01-01 747.000
1928-02-01 758.000
1928-03-01 775.000
1928-04-01 758.000
1928-05-01 784.000
1928-06-01 784.000
1928-07-01 794.000
1928-08-01 822.000
1928-09-01 842.000
1928-10-01 842.000
1928-11-01 813.000
1928-12-01 767.000
1929-01-01 769.000
1929-02-01 779.000
1929-03-01 777.000
1929-04-01 776.000
1929-05-01 813.000
1929-06-01 827.000
1929-07-01 818.000
1929-08-01 855.000
1929-09-01 856.000
1929-10-01 843.000
1929-11-01 773.000
1929-12-01 755.000
1930-01-01 757.000
1930-02-01 782.000
1930-03-01 761.000
1930-04-01 771.000
1930-05-01 793.000
1930-06-01 798.000
1930-07-01 798.000
1930-08-01 835.000
1930-09-01 817.000
1930-10-01 813.000
1930-11-01 762.000
1930-12-01 720.000
1931-01-01 755.000
1931-02-01 747.000
1931-03-01 741.000
1931-04-01 727.000
1931-05-01 738.000
1931-06-01 720.000
1931-07-01 740.000
1931-08-01 753.000
1931-09-01 744.000
1931-10-01 760.000
1931-11-01 704.000
1931-12-01 659.000
1932-01-01 677.000
1932-02-01 676.000
1932-03-01 676.000
1932-04-01 653.000
1932-05-01 623.000
1932-06-01 608.000
1932-07-01 622.000
1932-08-01 650.000
1932-09-01 706.000
1932-10-01 725.000
1932-11-01 673.000
1932-12-01 650.000
1933-01-01 648.000
1933-02-01 659.000
1933-03-01 636.000
1933-04-01 658.000
1933-05-01 671.000
1933-06-01 718.000
1933-07-01 755.000
1933-08-01 756.000
1933-09-01 758.000
1933-10-01 724.000
1933-11-01 704.000
1933-12-01 676.000
1934-01-01 692.000
1934-02-01 713.000
1934-03-01 739.000
1934-04-01 686.000
1934-05-01 707.000
1934-06-01 716.000
1934-07-01 688.000
1934-08-01 701.000
1934-09-01 729.000
1934-10-01 713.000
1934-11-01 702.000
1934-12-01 684.000
1935-01-01 706.000
1935-02-01 729.000
1935-03-01 756.000
1935-04-01 678.000
1935-05-01 708.000
1935-06-01 761.000
1935-07-01 684.000
1935-08-01 742.000
1935-09-01 782.000
1935-10-01 782.000
1935-11-01 749.000
1935-12-01 716.000
1936-01-01 723.000
1936-02-01 755.000
1936-03-01 721.000
1936-04-01 740.000
1936-05-01 766.000
1936-06-01 755.000
1936-07-01 775.000
1936-08-01 800.000
1936-09-01 823.000
1936-10-01 833.000
1936-11-01 803.000
1936-12-01 774.000
1937-01-01 768.000
1937-02-01 797.000
1937-03-01 818.000
1937-04-01 775.000
1937-05-01 804.000
1937-06-01 784.000
1937-07-01 806.000
1937-08-01 822.000
1937-09-01 851.000
1937-10-01 832.000
1937-11-01 752.000
1937-12-01 727.000
1938-01-01 736.000
1938-02-01 720.000
1938-03-01 737.000
1938-04-01 692.000
1938-05-01 716.000
1938-06-01 729.000
1938-07-01 772.000
1938-08-01 780.000
1938-09-01 825.000
1938-10-01 834.000
1938-11-01 782.000
1938-12-01 763.000
1939-01-01 775.000
1939-02-01 764.000
1939-03-01 773.000
1939-04-01 696.000
1939-05-01 724.000
1939-06-01 796.000
1939-07-01 822.000
1939-08-01 843.000
1939-09-01 915.000
1939-10-01 919.000
1939-11-01 871.000
1939-12-01 813.000
1940-01-01 793.000
1940-02-01 793.000
1940-03-01 804.000
1940-04-01 804.000
1940-05-01 851.000
1940-06-01 875.000
1940-07-01 867.000
1940-08-01 904.000
1940-09-01 925.000
1940-10-01 881.000
1940-11-01 862.000
1940-12-01 825.000
1941-01-01 840.000
1941-02-01 853.000
1941-03-01 891.000
1941-04-01 767.000
1941-05-01 933.000
1941-06-01 952.000
1941-07-01 948.000
1941-08-01 990.000
1941-09-01 973.000
1941-10-01 960.000
1941-11-01 932.000
1941-12-01 897.000
1942-01-01 909.000
1942-02-01 928.000
1942-03-01 968.000
1942-04-01 1006.00
1942-05-01 1046.00
1942-06-01 1059.00
1942-07-01 1074.00
1942-08-01 1086.00
1942-09-01 1088.00
1942-10-01 1101.00
1942-11-01 1081.00
1942-12-01 1033.00
1943-01-01 1032.00
1943-02-01 1085.00
1943-03-01 1086.00
1943-04-01 1094.00
1943-05-01 1128.00
1943-06-01 1089.00
1943-07-01 1157.00
1943-08-01 1170.00