Month	Thousands Of Freight Cars: Seasonally Adjusted By Nber
1920-01-01	180.000
1920-02-01	173.000
1920-03-01	181.000
1920-04-01	162.000
1920-05-01	152.000
1920-06-01	163.000
1920-07-01	158.000
1920-08-01	160.000
1920-09-01	162.000
1920-10-01	179.000
1920-11-01	195.000
1920-12-01	209.000
1921-01-01	228.000
1921-02-01	244.000
1921-03-01	266.000
1921-04-01	298.000
1921-05-01	318.000
1921-06-01	337.000
1921-07-01	355.000
1921-08-01	360.000
1921-09-01	367.000
1921-10-01	365.000
1921-11-01	350.000
1921-12-01	335.000
1922-01-01	345.000
1922-02-01	347.000
1922-03-01	340.000
1922-04-01	329.000
1922-05-01	328.000
1922-06-01	324.000
1922-07-01	323.000
1922-08-01	321.000
1922-09-01	298.000
1922-10-01	283.000
1922-11-01	256.000
1922-12-01	244.000
1923-01-01	239.000
1923-02-01	225.000
1923-03-01	223.000
1923-04-01	217.000
1923-05-01	205.000
1923-06-01	194.000
1923-07-01	178.000
1923-08-01	174.000
1923-09-01	169.000
1923-10-01	167.000
1923-11-01	179.000
1923-12-01	185.000
1924-01-01	184.000
1924-02-01	182.000
1924-03-01	182.000
1924-04-01	182.000
1924-05-01	176.000
1924-06-01	182.000
1924-07-01	187.000
1924-08-01	196.000
1924-09-01	207.000
1924-10-01	210.000
1924-11-01	212.000
1924-12-01	218.000
1925-01-01	219.000
1925-02-01	206.000
1925-03-01	204.000
1925-04-01	199.000
1925-05-01	191.000
1925-06-01	194.000
1925-07-01	188.000
1925-08-01	187.000
1925-09-01	187.000
1925-10-01	184.000
1925-11-01	191.000
1925-12-01	191.000
1926-01-01	186.000
1926-02-01	179.000
1926-03-01	177.000
1926-04-01	169.000
1926-05-01	158.000
1926-06-01	157.000
1926-07-01	155.000
1926-08-01	157.000
1926-09-01	155.000
1926-10-01	158.000
1926-11-01	162.000
1926-12-01	160.000
1927-01-01	151.000
1927-02-01	148.000
1927-03-01	147.000
1927-04-01	144.000
1927-05-01	146.000
1927-06-01	148.000
1927-07-01	149.000
1927-08-01	151.000
1927-09-01	146.000
1927-10-01	145.000
1927-11-01	145.000
1927-12-01	146.000
1928-01-01	154.000
1928-02-01	152.000
1928-03-01	154.000
1928-04-01	156.000
1928-05-01	158.000
1928-06-01	151.000
1928-07-01	152.000
1928-08-01	157.000
1928-09-01	157.000
1928-10-01	151.000
1928-11-01	149.000
1928-12-01	147.000
1929-01-01	157.000
1929-02-01	157.000
1929-03-01	157.000
1929-04-01	154.000
1929-05-01	152.000
1929-06-01	148.000
1929-07-01	149.000
1929-08-01	144.000
1929-09-01	144.000
1929-10-01	138.000
1929-11-01	136.000
1929-12-01	135.000
1930-01-01	142.000
1930-02-01	140.000
1930-03-01	140.000
1930-04-01	142.000
1930-05-01	142.000
1930-06-01	146.000
1930-07-01	148.000
1930-08-01	156.000
1930-09-01	166.000
1930-10-01	168.000
1930-11-01	171.000
1930-12-01	167.000
1931-01-01	168.000
1931-02-01	169.000
1931-03-01	179.000
1931-04-01	181.000
1931-05-01	181.000
1931-06-01	182.000
1931-07-01	185.000
1931-08-01	193.000
1931-09-01	200.000
1931-10-01	205.000
1931-11-01	208.000
1931-12-01	208.000
1932-01-01	214.000
1932-02-01	222.000
1932-03-01	230.000
1932-04-01	233.000
1932-05-01	238.000
1932-06-01	242.000
1932-07-01	246.000
1932-08-01	257.000
1932-09-01	272.000
1932-10-01	281.000
1932-11-01	285.000
1932-12-01	289.000
1933-01-01	296.000
1933-02-01	297.000
1933-03-01	306.000
1933-04-01	317.000
1933-05-01	325.000
1933-06-01	336.000
1933-07-01	337.000
1933-08-01	331.000
1933-09-01	320.000
1933-10-01	319.000
1933-11-01	323.000
1933-12-01	328.000
1934-01-01	328.000
1934-02-01	325.000
1934-03-01	320.000
1934-04-01	313.000
1934-05-01	310.000
1934-06-01	312.000
1934-07-01	309.000
1934-08-01	305.000
1934-09-01	311.000
1934-10-01	313.000
1934-11-01	313.000
1934-12-01	310.000
1935-01-01	303.000
1935-02-01	297.000
1935-03-01	291.000
1935-04-01	290.000
1935-05-01	289.000
1935-06-01	282.000
1935-07-01	279.000
1935-08-01	278.000
1935-09-01	284.000
1935-10-01	287.000
1935-11-01	288.000
1935-12-01	286.000
1936-01-01	280.000
1936-02-01	271.000
1936-03-01	266.000
1936-04-01	261.000
1936-05-01	263.000
1936-06-01	259.000
1936-07-01	257.000
1936-08-01	254.000
1936-09-01	250.000
1936-10-01	240.000
1936-11-01	232.000
1936-12-01	223.000
1937-01-01	219.000
1937-02-01	218.000
1937-03-01	208.000
1937-04-01	197.000
1937-05-01	195.000
1937-06-01	190.000
1937-07-01	185.000
1937-08-01	184.000
1937-09-01	187.000
1937-10-01	192.000
1937-11-01	196.000
1937-12-01	197.000
1938-01-01	202.000
1938-02-01	207.000
1938-03-01	209.000
1938-04-01	213.000
1938-05-01	222.000
1938-06-01	228.000
1938-07-01	234.000
1938-08-01	235.000
1938-09-01	235.000
1938-10-01	236.000
1938-11-01	240.000
1938-12-01	242.000
1939-01-01	239.000
1939-02-01	233.000
1939-03-01	228.000
1939-04-01	224.000
1939-05-01	229.000
1939-06-01	226.000
1939-07-01	227.000
1939-08-01	222.000
1939-09-01	211.000
1939-10-01	189.000
1939-11-01	174.000
1939-12-01	166.000