Monthly Number Of Locomotives
1920-01-01 22458.0
1920-02-01 21940.0
1920-03-01 21950.0
1920-04-01 22073.0
1920-05-01 22727.0
1920-06-01 22850.0
1920-07-01 22759.0
1920-08-01 23094.0
1920-09-01 23198.0
1920-10-01 23478.0
1920-11-01 23257.0
1920-12-01 22994.0
1921-01-01 24141.0
1921-02-01 24202.0
1921-03-01 25009.0
1921-04-01 25183.0
1921-05-01 25169.0
1921-06-01 25266.0
1921-07-01 25144.0
1921-08-01 25213.0
1921-09-01 25315.0
1921-10-01 25564.0
1921-11-01 25150.0
1921-12-01 25158.0
1922-01-01 25109.0
1922-02-01 24971.0
1922-03-01 24957.0
1922-04-01 25039.0
1922-05-01 25214.0
1922-06-01 25499.0
1922-07-01 24473.0
1922-08-01 23413.0
1922-09-01 23205.0
1922-10-01 23860.0
1922-11-01 24194.0
1922-12-01 24211.0
1923-01-01 24228.0
1923-02-01 24633.0
1923-03-01 24783.0
1923-04-01 25133.0
1923-05-01 25413.0
1923-06-01 25534.0
1923-07-01 25667.0
1923-08-01 26321.0
1923-09-01 26923.0
1923-10-01 27256.0
1923-11-01 27148.0
1923-12-01 27018.0
1924-01-01 26896.0
1924-02-01 26986.0
1924-03-01 26825.0
1924-04-01 26751.0
1924-05-01 26960.0
1924-06-01 26915.0
1924-07-01 26945.0
1924-08-01 27149.0
1924-09-01 27350.0
1924-10-01 27319.0
1924-11-01 27111.0
1924-12-01 26777.0
1925-01-01 26578.0
1925-02-01 26645.0
1925-03-01 26564.0
1925-04-01 26645.0
1925-05-01 26664.0
1925-06-01 26703.0
1925-07-01 26654.0
1925-08-01 26761.0
1925-09-01 26893.0
1925-10-01 26867.0
1925-11-01 26572.0
1925-12-01 26471.0
1926-01-01 26406.0
1926-02-01 26366.0
1926-03-01 26297.0
1926-04-01 26273.0
1926-05-01 26359.0
1926-06-01 26459.0
1926-07-01 26534.0
1926-08-01 26583.0
1926-09-01 26727.0
1926-10-01 26792.0
1926-11-01 26460.0
1926-12-01 26316.0
1927-01-01 26172.0
1927-02-01 26068.0
1927-03-01 26036.0
1927-04-01 25848.0
1927-05-01 25875.0
1927-06-01 25908.0
1927-07-01 25917.0
1927-08-01 25986.0
1927-09-01 26279.0
1927-10-01 26334.0
1927-11-01 25861.0
1927-12-01 25787.0
1928-01-01 25829.0
1928-02-01 25624.0
1928-03-01 25609.0
1928-04-01 25504.0
1928-05-01 25362.0
1928-06-01 25239.0
1928-07-01 25263.0
1928-08-01 25206.0
1928-09-01 25344.0
1928-10-01 25355.0
1928-11-01 25044.0
1928-12-01 24967.0
1929-01-01 24776.0
1929-02-01 24685.0
1929-03-01 24558.0
1929-04-01 24438.0
1929-05-01 24337.0
1929-06-01 24256.0
1929-07-01 24240.0
1929-08-01 24179.0
1929-09-01 24392.0
1929-10-01 24435.0
1929-11-01 24176.0
1929-12-01 24007.0
1930-01-01 23868.0
1930-02-01 23626.0
1930-03-01 23631.0
1930-04-01 23569.0
1930-05-01 23608.0
1930-06-01 23548.0
1930-07-01 23586.0
1930-08-01 23557.0
1930-09-01 23660.0
1930-10-01 23660.0
1930-11-01 23323.0
1930-12-01 23176.0
1931-01-01 23025.0
1931-02-01 22861.0
1931-03-01 22720.0
1931-04-01 22697.0
1931-05-01 22644.0
1931-06-01 22522.0
1931-07-01 22515.0
1931-08-01 22285.0
1931-09-01 22200.0
1931-10-01 22172.0
1931-11-01 21958.0
1931-12-01 21776.0
1932-01-01 21510.0
1932-02-01 21124.0
1932-03-01 20870.0
1932-04-01 20816.0
1932-05-01 20605.0
1932-06-01 20540.0
1932-07-01 20444.0
1932-08-01 20284.0
1932-09-01 20094.0
1932-10-01 19858.0
1932-11-01 19586.0
1932-12-01 19460.0
1933-01-01 19219.0
1933-02-01 19003.0
1933-03-01 18783.0
1933-04-01 18663.0
1933-05-01 18383.0
1933-06-01 18169.0
1933-07-01 18036.0
1933-08-01 17901.0
1933-09-01 17981.0
1933-10-01 17940.0
1933-11-01 17799.0
1933-12-01 17684.0
1934-01-01 17564.0
1934-02-01 17463.0
1934-03-01 17355.0
1934-04-01 17200.0
1934-05-01 17134.0
1934-06-01 17328.0
1934-07-01 17292.0
1934-08-01 17257.0
1934-09-01 17348.0
1934-10-01 17256.0
1934-11-01 16982.0
1934-12-01 16882.0
1935-01-01 16773.0
1935-02-01 17106.0
1935-03-01 16922.0
1935-04-01 16827.0
1935-05-01 16860.0
1935-06-01 16809.0
1935-07-01 16670.0
1935-08-01 16670.0
1935-09-01 16700.0
1935-10-01 16706.0
1935-11-01 16684.0
1935-12-01 16589.0
1936-01-01 16732.0
1936-02-01 16988.0
1936-03-01 16930.0
1936-04-01 16843.0
1936-05-01 16869.0
1936-06-01 16922.0
1936-07-01 17070.0
1936-08-01 17152.0
1936-09-01 17242.0
1936-10-01 17484.0
1936-11-01 17541.0
1936-12-01 17522.0
1937-01-01 17668.0
1937-02-01 17754.0
1937-03-01 17768.0
1937-04-01 17784.0
1937-05-01 17848.0
1937-06-01 17886.0
1937-07-01 17968.0
1937-08-01 18034.0
1937-09-01 18081.0
1937-10-01 18065.0
1937-11-01 17944.0
1937-12-01 17861.0
1938-01-01 17628.0
1938-02-01 17381.0
1938-03-01 17250.0
1938-04-01 17184.0
1938-05-01 16994.0
1938-06-01 16782.0
1938-07-01 16700.0
1938-08-01 16630.0
1938-09-01 16641.0
1938-10-01 16547.0
1938-11-01 16424.0
1938-12-01 16426.0
1939-01-01 16338.0
1939-02-01 16143.0
1939-03-01 16128.0
1939-04-01 16190.0
1939-05-01 16050.0
1939-06-01 16010.0
1939-07-01 15986.0
1939-08-01 15948.0
1939-09-01 16100.0
1939-10-01 16338.0
1939-11-01 16560.0
1939-12-01 16800.0
1940-01-01 16944.0
1940-02-01 16820.0
1940-03-01 16668.0
1940-04-01 16640.0
1940-05-01 16596.0
1940-06-01 16506.0
1940-07-01 16564.0
1940-08-01 16755.0
1940-09-01 16752.0
1940-10-01 16786.0
1940-11-01 16900.0
1940-12-01 16778.0
1941-01-01 16740.0
1941-02-01 16762.0
1941-03-01 16734.0
1941-04-01 16828.0
1941-05-01 17060.0
1941-06-01 17246.0
1941-07-01 17501.0
1941-08-01 17748.0
1941-09-01 17901.0
1941-10-01 18160.0
1941-11-01 18246.0
1941-12-01 18280.0
1942-01-01 18502.0
1942-02-01 18619.0
1942-03-01 18691.0
1942-04-01 18788.0
1942-05-01 18882.0
1942-06-01 19004.0
1942-07-01 19109.0
1942-08-01 19182.0
1942-09-01 19277.0
1942-10-01 19526.0
1942-11-01 19507.0
1942-12-01 19379.0
1943-01-01 19446.0
1943-02-01 19446.0
1943-03-01 19413.0
1943-04-01 19422.0
1943-05-01 19460.0
1943-06-01 19488.0
1943-07-01 19556.0
1943-08-01 19483.0