Month Locomotives 1937-01-01 6656.00 1937-02-01 6519.00 1937-03-01 6440.00 1937-04-01 6402.00 1937-05-01 6428.00 1937-06-01 6472.00 1937-07-01 6513.00 1937-08-01 6530.00 1937-09-01 6475.00 1937-10-01 6420.00 1937-11-01 6368.00 1937-12-01 6532.00 1938-01-01 6585.00 1938-02-01 6356.00 1938-03-01 6271.00 1938-04-01 6236.00 1938-05-01 6206.00 1938-06-01 6186.00 1938-07-01 6156.00 1938-08-01 6074.00 1938-09-01 5938.00 1938-10-01 5849.00 1938-11-01 5799.00 1938-12-01 5979.00 1939-01-01 6012.00 1939-02-01 5826.00 1939-03-01 5812.00 1939-04-01 5812.00 1939-05-01 5796.00 1939-06-01 5881.00 1939-07-01 5924.00 1939-08-01 5920.00 1939-09-01 5895.00 1939-10-01 5739.00 1939-11-01 5670.00 1939-12-01 5852.00 1940-01-01 5896.00 1940-02-01 5752.00 1940-03-01 5764.00 1940-04-01 5715.00 1940-05-01 5652.00 1940-06-01 5736.00 1940-07-01 5778.00 1940-08-01 5822.00 1940-09-01 5778.00 1940-10-01 5586.00 1940-11-01 5550.00 1940-12-01 5746.00 1941-01-01 5781.00 1941-02-01 5662.00 1941-03-01 5624.00 1941-04-01 5588.00 1941-05-01 5632.00 1941-06-01 5730.00 1941-07-01 5764.00 1941-08-01 5834.00 1941-09-01 5838.00 1941-10-01 5743.00 1941-11-01 5778.00 1941-12-01 5974.00 1942-01-01 6018.00 1942-02-01 5880.00 1942-03-01 5823.00 1942-04-01 5745.00 1942-05-01 5770.00 1942-06-01 5816.00 1942-07-01 5802.00 1942-08-01 5815.00 1942-09-01 5791.00 1942-10-01 5786.00 1942-11-01 5813.00 1942-12-01 5958.00 1943-01-01 6030.00 1943-02-01 5945.00 1943-03-01 5919.00 1943-04-01 5914.00 1943-05-01 5920.00 1943-06-01 5886.00 1943-07-01 5875.00