Monthly Net Ton-Miles Per Freight Train-Miles
1920-01-01 131.500
1920-02-01 133.300
1920-03-01 136.100
1920-04-01 133.600
1920-05-01 134.600
1920-06-01 133.900
1920-07-01 133.100
1920-08-01 132.400
1920-09-01 134.900
1920-10-01 121.000
1920-11-01 130.200
1920-12-01 132.900
1921-01-01 128.600
1921-02-01 126.100
1921-03-01 123.500
1921-04-01 94.2000
1921-05-01 103.800
1921-06-01 101.600
1921-07-01 123.500
1921-08-01 123.300
1921-09-01 124.100
1921-10-01 125.000
1921-11-01 126.100
1921-12-01 124.200
1922-01-01 127.200
1922-02-01 133.100
1922-03-01 130.600
1922-04-01 126.600
1922-05-01 122.400
1922-06-01 116.200
1922-07-01 125.800
1922-08-01 126.800
1922-09-01 127.300
1922-10-01 130.700
1922-11-01 132.000
1922-12-01 129.700
1923-01-01 134.000
1923-02-01 135.100
1923-03-01 137.600
1923-04-01 134.400
1923-05-01 131.700
1923-06-01 132.500
1923-07-01 125.700
1923-08-01 125.300
1923-09-01 133.600
1923-10-01 134.300
1923-11-01 134.400
1923-12-01 131.700
1924-01-01 138.000
1924-02-01 138.700
1924-03-01 137.600
1924-04-01 134.900
1924-05-01 131.300
1924-06-01 126.500
1924-07-01 127.700
1924-08-01 128.200
1924-09-01 132.700
1924-10-01 132.000
1924-11-01 133.000
1924-12-01 130.500
1925-01-01 131.200
1925-02-01 134.100
1925-03-01 133.400
1925-04-01 131.000
1925-05-01 128.700
1925-06-01 124.100
1925-07-01 133.800
1925-08-01 121.200
1925-09-01 127.000
1925-10-01 129.800
1925-11-01 131.900
1925-12-01 132.200
1926-01-01 133.400
1926-02-01 136.300
1926-03-01 135.100
1926-04-01 134.600
1926-05-01 114.100
1926-06-01 106.100
1926-07-01 103.000
1926-08-01 104.700
1926-09-01 110.600
1926-10-01 121.300
1926-11-01 128.100
1926-12-01 131.400
1927-01-01 136.200
1927-02-01 136.000
1927-03-01 134.200
1927-04-01 131.600
1927-05-01 130.800
1927-06-01 129.700
1927-07-01 130.100
1927-08-01 126.000
1927-09-01 129.800
1927-10-01 129.300
1927-11-01 128.000
1927-12-01 127.600
1928-01-01 127.500
1928-02-01 128.400
1928-03-01 130.500
1928-04-01 128.600
1928-05-01 124.400
1928-06-01 123.400
1928-07-01 122.900
1928-08-01 125.400
1928-09-01 130.000
1928-10-01 126.500
1928-11-01 127.300
1928-12-01 129.800
1929-01-01 129.900
1929-02-01 131.900
1929-03-01 136.800
1929-04-01 128.900
1929-05-01 128.500
1929-06-01 128.800
1929-07-01 127.900
1929-08-01 130.300
1929-09-01 132.100
1929-10-01 130.900
1929-11-01 133.500
1929-12-01 130.900
1930-01-01 130.400
1930-02-01 133.400
1930-03-01 130.600
1930-04-01 127.600
1930-05-01 124.900
1930-06-01 120.800
1930-07-01 122.700
1930-08-01 125.400
1930-09-01 125.900
1930-10-01 128.200
1930-11-01 131.400
1930-12-01 130.200
1931-01-01 127.100
1931-02-01 126.600
1931-03-01 126.300
1931-04-01 127.500
1931-05-01 122.100
1931-06-01 122.700
1931-07-01 121.200
1931-08-01 121.800
1931-09-01 123.600
1931-10-01 124.700
1931-11-01 125.100
1931-12-01 127.100