Title:               Straight Time Man-Hours Worked, All Employees on Hourly Basis, Class I Railroads for United States
Series ID:           M08152USM443NNBR
Source:              National Bureau of Economic Research
Release:             NBER Macrohistory Database (Not a Press Release)
Seasonal Adjustment: Not Seasonally Adjusted
Frequency:           Monthly
Units:               Millions of Service Hours
Date Range:          1921-07-01 to 1943-08-01
Last Updated:        2012-08-17 2:28 PM CDT
Notes:               Data For 1921-1928 And 1933-1943 Include Switching And Terminal
                     Companies; Data For 1929-1932 Exclude Switching And Terminal
                     Companies. Data Include Construction Allowances In Train And Engine
                     Services. Source: Interstate Commerce Commission, Bureau Of Statistics
                     
                     This NBER data series m08152 appears on the NBER website in Chapter 8
                     at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
                     
                     NBER Indicator: m08152

DATE        VALUE
1921-07-01  294.7
1921-08-01  321.7
1921-09-01  313.4
1921-10-01  334.7
1921-11-01  313.5
1921-12-01  297.8
1922-01-01  279.0
1922-02-01  258.7
1922-03-01  301.2
1922-04-01  282.0
1922-05-01  305.8
1922-06-01  315.0
1922-07-01  270.6
1922-08-01  313.2
1922-09-01  321.0
1922-10-01  351.8
1922-11-01  340.9
1922-12-01  335.1
1923-01-01  343.8
1923-02-01  307.6
1923-03-01  358.4
1923-04-01  344.2
1923-05-01  366.9
1923-06-01  366.4
1923-07-01  365.9
1923-08-01  383.7
1923-09-01  350.7
1923-10-01  382.3
1923-11-01  345.9
1923-12-01  322.7
1924-01-01  330.0
1924-02-01  310.0
1924-03-01  334.2
1924-04-01  332.5
1924-05-01  337.3
1924-06-01  318.8
1924-07-01  330.0
1924-08-01  333.1
1924-09-01  331.0
1924-10-01  358.1
1924-11-01  319.7
1924-12-01  325.3
1925-01-01  327.5
1925-02-01  295.1
1925-03-01  326.9
1925-04-01  325.3
1925-05-01  327.2
1925-06-01  333.6
1925-07-01  339.8
1925-08-01  339.2
1925-09-01  331.5
1925-10-01  353.9
1925-11-01  322.2
1925-12-01  328.9
1926-01-01  318.6
1926-02-01  296.1
1926-03-01  340.3
1926-04-01  333.5
1926-05-01  336.7
1926-06-01  344.4
1926-07-01  350.0
1926-08-01  351.7
1926-09-01  341.3
1926-10-01  355.8
1926-11-01  336.4
1926-12-01  334.0
1927-01-01  319.3
1927-02-01  291.8
1927-03-01  336.3
1927-04-01  328.1
1927-05-01  334.0
1927-06-01  341.7
1927-07-01  333.2
1927-08-01  346.6
1927-09-01  326.9
1927-10-01  338.6
1927-11-01  313.6
1927-12-01  305.1
1928-01-01  296.2
1928-02-01  281.8
1928-03-01  312.7
1928-04-01  301.2
1928-05-01  324.2
1928-06-01  321.7
1928-07-01  316.9
1928-08-01  333.4
1928-09-01  307.3
1928-10-01  337.9
1928-11-01  306.3
1928-12-01  292.1
1929-01-01  300.4
1929-02-01  272.9
1929-03-01  308.0
1929-04-01  313.1
1929-05-01  326.5
1929-06-01  317.6
1929-07-01  330.8
1929-08-01  339.2
1929-09-01  313.1
1929-10-01  341.2
1929-11-01  303.6
1929-12-01  288.8
1930-01-01  289.8
1930-02-01  259.1
1930-03-01  286.3
1930-04-01  288.9
1930-05-01  294.6
1930-06-01  276.4
1930-07-01  275.5
1930-08-01  271.2
1930-09-01  258.6
1930-10-01  268.6
1930-11-01  233.3
1930-12-01  235.8
1931-01-01  232.9
1931-02-01  207.7
1931-03-01  231.9
1931-04-01  232.1
1931-05-01  230.3
1931-06-01  227.7
1931-07-01  226.9
1931-08-01  218.9
1931-09-01  207.3
1931-10-01  211.0
1931-11-01  183.6
1931-12-01  184.4
1932-01-01  176.8
1932-02-01  169.9
1932-03-01  186.4
1932-04-01  176.7
1932-05-01  174.5
1932-06-01  168.4
1932-07-01  158.1
1932-08-01  161.3
1932-09-01  156.3
1932-10-01  166.3
1932-11-01  157.2
1932-12-01  155.7
1933-01-01  148.1
1933-02-01  134.6
1933-03-01  146.4
1933-04-01  140.6
1933-05-01  152.0
1933-06-01  155.0
1933-07-01  160.8
1933-08-01  173.4
1933-09-01  166.4
1933-10-01  172.7
1933-11-01  158.4
1933-12-01  153.1
1934-01-01  159.8
1934-02-01  147.3
1934-03-01  171.7
1934-04-01  165.4
1934-05-01  178.0
1934-06-01  177.2
1934-07-01  173.6
1934-08-01  177.7
1934-09-01  162.7
1934-10-01  176.3
1934-11-01  158.1
1934-12-01  155.9
1935-01-01  164.5
1935-02-01  149.1
1935-03-01  165.5
1935-04-01  163.2
1935-05-01  169.8
1935-06-01  166.2
1935-07-01  172.1
1935-08-01  174.2
1935-09-01  163.5
1935-10-01  181.3
1935-11-01  164.5
1935-12-01  164.7
1936-01-01  173.1
1936-02-01  172.5
1936-03-01  180.8
1936-04-01  182.9
1936-05-01  184.0
1936-06-01  187.9
1936-07-01  193.3
1936-08-01  192.2
1936-09-01  191.4
1936-10-01  204.6
1936-11-01  185.3
1936-12-01  194.1
1937-01-01  187.3
1937-02-01  178.1
1937-03-01  205.0
1937-04-01  202.4
1937-05-01  204.6
1937-06-01  210.1
1937-07-01  211.1
1937-08-01  207.7
1937-09-01  196.8
1937-10-01  199.3
1937-11-01  179.5
1937-12-01  173.8
1938-01-01  162.1
1938-02-01  146.1
1938-03-01  165.1
1938-04-01  154.4
1938-05-01  153.2
1938-06-01  157.2
1938-07-01  157.8
1938-08-01  169.1
1938-09-01  165.5
1938-10-01  174.6
1938-11-01  164.8
1938-12-01  165.9
1939-01-01  162.4
1939-02-01  150.3
1939-03-01  173.4
1939-04-01  161.0
1939-05-01  171.3
1939-06-01  176.4
1939-07-01  173.8
1939-08-01  184.0
1939-09-01  179.0
1939-10-01  194.8
1939-11-01  182.5
1939-12-01  175.3
1940-01-01  179.4
1940-02-01  165.2
1940-03-01  175.3
1940-04-01  174.6
1940-05-01  182.2
1940-06-01  179.9
1940-07-01  190.6
1940-08-01  196.2
1940-09-01  184.1
1940-10-01  201.7
1940-11-01  182.8
1940-12-01  182.4
1941-01-01  187.0
1941-02-01  170.8
1941-03-01  194.6
1941-04-01  196.8
1941-05-01  210.7
1941-06-01  211.5
1941-07-01  223.9
1941-08-01  227.0
1941-09-01  221.6
1941-10-01  236.6
1941-11-01  213.3
1941-12-01  222.1
1942-01-01  220.4
1942-02-01  198.9
1942-03-01  226.5
1942-04-01  231.2
1942-05-01  235.0
1942-06-01  240.8
1942-07-01  246.6
1942-08-01  251.1
1942-09-01  243.8
1942-10-01  259.4
1942-11-01  238.9
1942-12-01  251.7
1943-01-01  246.6
1943-02-01  228.4
1943-03-01  261.0
1943-04-01  253.6
1943-05-01  252.6
1943-06-01  258.4
1943-07-01  261.7
1943-08-01  263.6