Month	Number Of Locomotives
1920-02-01	7730.00
1920-03-01	7609.00
1920-04-01	7957.00
1920-05-01	7258.00
1920-06-01	7032.00
1920-07-01	7153.00
1920-08-01	6931.00
1920-09-01	6936.00
1920-10-01	6894.00
1920-11-01	7267.00
1920-12-01	7425.00
1921-01-01	8127.00
1921-02-01	8149.00
1921-03-01	7792.00
1921-04-01	7915.00
1921-05-01	7931.00
1921-06-01	7809.00
1921-07-01	7928.00
1921-08-01	7893.00
1921-09-01	7784.00
1921-10-01	7728.00
1921-11-01	7875.00
1921-12-01	7900.00
1922-01-01	7925.00
1922-02-01	7923.00
1922-03-01	7812.00
1922-04-01	7774.00
1922-05-01	7584.00
1922-06-01	7151.00