Monthly Number Of Locomotives
1921-01-01 47411.0
1921-02-01 47369.0
1921-03-01 47805.0
1921-04-01 48271.0
1921-05-01 48297.0
1921-06-01 48349.0
1921-07-01 48271.0
1921-08-01 48161.0
1921-09-01 48140.0
1921-10-01 48240.0
1921-11-01 48059.0
1921-12-01 48139.0
1922-01-01 48201.0
1922-02-01 47979.0
1922-03-01 47884.0
1922-04-01 47937.0
1922-05-01 47901.0
1922-06-01 47750.0
1922-07-01 47912.0
1922-08-01 47959.0
1922-09-01 47890.0
1922-10-01 47795.0
1922-11-01 47822.0
1922-12-01 47652.0
1923-01-01 47595.0
1923-02-01 47626.0
1923-03-01 47574.0
1923-04-01 47594.0
1923-05-01 47531.0
1923-06-01 47417.0
1923-07-01 47320.0
1923-08-01 47297.0
1923-09-01 47428.0
1923-10-01 47483.0
1923-11-01 47540.0
1923-12-01 47733.0
1924-01-01 47755.0
1924-02-01 47854.0
1924-03-01 47767.0
1924-04-01 47686.0
1924-05-01 47758.0
1924-06-01 47745.0
1924-07-01 47777.0
1924-08-01 47855.0
1924-09-01 47918.0
1924-10-01 47797.0
1924-11-01 47790.0
1924-12-01 47596.0
1925-01-01 47347.0
1925-02-01 47282.0
1925-03-01 47270.0
1925-04-01 47116.0
1925-05-01 46994.0
1925-06-01 46985.0
1925-07-01 46740.0
1925-08-01 46573.0
1925-09-01 46449.0
1925-10-01 46404.0
1925-11-01 46164.0
1925-12-01 46046.0
1926-01-01 46009.0
1926-02-01 45879.0
1926-03-01 45880.0
1926-04-01 45834.0
1926-05-01 45693.0
1926-06-01 45678.0
1926-07-01 45542.0
1926-08-01 45378.0
1926-09-01 45304.0
1926-10-01 45200.0
1926-11-01 45146.0
1926-12-01 45017.0
1927-01-01 45017.0
1927-02-01 44979.0
1927-03-01 44990.0
1927-04-01 44777.0
1927-05-01 44696.0
1927-06-01 44588.0
1927-07-01 44431.0
1927-08-01 44372.0
1927-09-01 44256.0
1927-10-01 44197.0
1927-11-01 43999.0
1927-12-01 43864.0
1928-01-01 43995.0
1928-02-01 43997.0
1928-03-01 43827.0
1928-04-01 43751.0
1928-05-01 43500.0
1928-06-01 43286.0
1928-07-01 43231.0
1928-08-01 43082.0
1928-09-01 42925.0
1928-10-01 42802.0
1928-11-01 42700.0
1928-12-01 42613.0
1929-01-01 42416.0
1929-02-01 42194.0
1929-03-01 42060.0
1929-04-01 41806.0
1929-05-01 41557.0
1929-06-01 41364.0
1929-07-01 41238.0
1929-08-01 41051.0
1929-09-01 41076.0
1929-10-01 40884.0
1929-11-01 40618.0
1929-12-01 40852.0
1930-01-01 40844.0
1930-02-01 40763.0
1930-03-01 40667.0
1930-04-01 40514.0
1930-05-01 40475.0
1930-06-01 40510.0
1930-07-01 40522.0
1930-08-01 40531.0
1930-09-01 40566.0
1930-10-01 40580.0
1930-11-01 40541.0
1930-12-01 40369.0
1931-01-01 40235.0
1931-02-01 40178.0
1931-03-01 40067.0
1931-04-01 40001.0
1931-05-01 40006.0
1931-06-01 39893.0
1931-07-01 39759.0
1931-08-01 39685.0
1931-09-01 39615.0
1931-10-01 39493.0
1931-11-01 39498.0
1931-12-01 39353.0
1932-01-01 39275.0
1932-02-01 38921.0
1932-03-01 38854.0
1932-04-01 38880.0
1932-05-01 38889.0
1932-06-01 38826.0
1932-07-01 38806.0
1932-08-01 38715.0
1932-09-01 38439.0
1932-10-01 38222.0
1932-11-01 38283.0
1932-12-01 38183.0
1933-01-01 37997.0
1933-02-01 37942.0
1933-03-01 37905.0
1933-04-01 37909.0
1933-05-01 37656.0
1933-06-01 37515.0
1933-07-01 37374.0
1933-08-01 37162.0
1933-09-01 36940.0
1933-10-01 36814.0
1933-11-01 36747.0
1933-12-01 36577.0
1934-01-01 36313.0
1934-02-01 36272.0
1934-03-01 36023.0
1934-04-01 35878.0
1934-05-01 35776.0
1934-06-01 35675.0
1934-07-01 35458.0
1934-08-01 35312.0
1934-09-01 35254.0
1934-10-01 35150.0
1934-11-01 35065.0
1934-12-01 34753.0
1935-01-01 34585.0
1935-02-01 34662.0
1935-03-01 34525.0
1935-04-01 34451.0
1935-05-01 34416.0
1935-06-01 34309.0
1935-07-01 34132.0
1935-08-01 34012.0
1935-09-01 33928.0
1935-10-01 33834.0
1935-11-01 33762.0
1935-12-01 33651.0
1936-01-01 33630.0
1936-02-01 33513.0
1936-03-01 33425.0
1936-04-01 33326.0
1936-05-01 33233.0
1936-06-01 33131.0
1936-07-01 33055.0
1936-08-01 33003.0
1936-09-01 32932.0
1936-10-01 32775.0
1936-11-01 32621.0
1936-12-01 32490.0
1937-01-01 32542.0
1937-02-01 32461.0
1937-03-01 32348.0
1937-04-01 32213.0
1937-05-01 32136.0
1937-06-01 32098.0
1937-07-01 32051.0
1937-08-01 32043.0
1937-09-01 32027.0
1937-10-01 31970.0
1937-11-01 32003.0
1937-12-01 32013.0
1938-01-01 32043.0
1938-02-01 32001.0
1938-03-01 31965.0
1938-04-01 31969.0
1938-05-01 32006.0
1938-06-01 32000.0
1938-07-01 31918.0
1938-08-01 31800.0
1938-09-01 31684.0
1938-10-01 31598.0
1938-11-01 31541.0
1938-12-01 31426.0
1939-01-01 31335.0
1939-02-01 31171.0
1939-03-01 31063.0
1939-04-01 31075.0
1939-05-01 31002.0
1939-06-01 30891.0
1939-07-01 30819.0
1939-08-01 30759.0
1939-09-01 30683.0
1939-10-01 30527.0
1939-11-01 30340.0
1939-12-01 30183.0
1940-01-01 30086.0
1940-02-01 29958.0
1940-03-01 29912.0
1940-04-01 29819.0
1940-05-01 29675.0
1940-06-01 29608.0
1940-07-01 29532.0
1940-08-01 29431.0
1940-09-01 29400.0
1940-10-01 29359.0
1940-11-01 29301.0
1940-12-01 29224.0
1941-01-01 29176.0
1941-02-01 29075.0
1941-03-01 28982.0
1941-04-01 28943.0
1941-05-01 28885.0
1941-06-01 28806.0
1941-07-01 28796.0
1941-08-01 28775.0
1941-09-01 28800.0
1941-10-01 28821.0
1941-11-01 28809.0
1941-12-01 28806.0
1942-01-01 28880.0
1942-02-01 28831.0
1942-03-01 28762.0
1942-04-01 28727.0
1942-05-01 28720.0
1942-06-01 28723.0
1942-07-01 28654.0
1942-08-01 28694.0
1942-09-01 28776.0
1942-10-01 28751.0
1942-11-01 28687.0
1942-12-01 28651.0
1943-01-01 28725.0
1943-02-01 28744.0
1943-03-01 28756.0
1943-04-01 28744.0
1943-05-01 28749.0
1943-06-01 28805.0
1943-07-01 28797.0