Month	Locomotives
1937-01-01	8228.00
1937-02-01	8195.00
1937-03-01	8156.00
1937-04-01	8116.00
1937-05-01	8098.00
1937-06-01	8084.00
1937-07-01	8089.00
1937-08-01	8109.00
1937-09-01	8104.00
1937-10-01	8094.00
1937-11-01	8086.00
1937-12-01	8138.00
1938-01-01	8184.00
1938-02-01	8135.00
1938-03-01	8065.00
1938-04-01	8031.00
1938-05-01	8038.00
1938-06-01	8042.00
1938-07-01	8024.00
1938-08-01	7970.00
1938-09-01	7888.00
1938-10-01	7835.00
1938-11-01	7801.00
1938-12-01	7828.00
1939-01-01	7822.00
1939-02-01	7768.00
1939-03-01	7752.00
1939-04-01	7730.00
1939-05-01	7710.00
1939-06-01	7714.00
1939-07-01	7727.00
1939-08-01	7725.00
1939-09-01	7674.00
1939-10-01	7572.00
1939-11-01	7475.00
1939-12-01	7482.00
1940-01-01	7492.00
1940-02-01	7468.00
1940-03-01	7473.00
1940-04-01	7404.00
1940-05-01	7342.00
1940-06-01	7340.00
1940-07-01	7318.00
1940-08-01	7291.00
1940-09-01	7274.00
1940-10-01	7194.00
1940-11-01	7150.00
1940-12-01	7244.00
1941-01-01	7262.00
1941-02-01	7224.00
1941-03-01	7204.00
1941-04-01	7162.00
1941-05-01	7133.00
1941-06-01	7128.00
1941-07-01	7120.00
1941-08-01	7108.00
1941-09-01	7057.00
1941-10-01	6972.00
1941-11-01	6968.00
1941-12-01	7026.00
1942-01-01	7038.00
1942-02-01	6973.00
1942-03-01	6903.00
1942-04-01	6824.00
1942-05-01	6789.00
1942-06-01	6756.00
1942-07-01	6720.00
1942-08-01	6738.00
1942-09-01	6711.00
1942-10-01	6675.00
1942-11-01	6673.00
1942-12-01	6715.00
1943-01-01	6759.00
1943-02-01	6738.00
1943-03-01	6714.00
1943-04-01	6707.00
1943-05-01	6710.00
1943-06-01	6701.00
1943-07-01	6698.00