Monthly Hours
1920-06-01 48.4000
1920-07-01 48.5000
1920-08-01 48.0000
1920-09-01 46.1000
1920-10-01 45.1000
1920-11-01 43.6000
1920-12-01 42.8000
1921-01-01 41.4000
1921-02-01 43.1000
1921-03-01 47.2000
1921-04-01 47.8000
1921-05-01 44.1000
1921-06-01 41.8000
1921-07-01 46.2000
1921-08-01 44.2000
1921-09-01 43.9000
1921-10-01 46.4000
1921-11-01 45.4000
1921-12-01 44.9000
1922-07-01 48.0000
1922-08-01 48.7000
1922-09-01 46.6000
1922-10-01 48.2000
1922-11-01 48.7000
1922-12-01 48.7000
1923-01-01 49.4000
1923-02-01 49.5000
1923-03-01 49.7000
1923-04-01 49.7000
1923-05-01 47.3000
1923-06-01 47.8000
1923-07-01 46.5000
1923-08-01 44.7000
1923-09-01 47.2000
1923-10-01 46.5000
1923-11-01 48.0000
1923-12-01 46.3000
1924-01-01 47.0000
1924-02-01 49.5000
1924-03-01 48.1000
1924-04-01 47.6000
1924-05-01 41.9000
1924-06-01 42.1000
1924-07-01 43.0000
1924-08-01 44.2000
1924-09-01 43.8000
1924-10-01 46.6000
1924-11-01 44.4000
1924-12-01 45.5000
1925-01-01 46.8000
1925-02-01 47.4000
1925-03-01 47.2000
1925-04-01 47.6000
1925-05-01 48.2000
1925-06-01 46.3000
1925-07-01 45.9000
1925-08-01 46.8000
1925-09-01 49.4000
1925-10-01 48.4000
1925-11-01 46.3000
1925-12-01 47.7000
1926-01-01 49.4000
1926-02-01 50.8000
1926-03-01 50.9000
1926-04-01 49.1000
1926-05-01 48.0000
1926-06-01 47.3000
1926-07-01 45.6000
1926-08-01 46.0000
1926-09-01 50.1000
1926-10-01 49.4000
1926-11-01 42.8000
1926-12-01 42.8000
1927-01-01 47.2000
1927-02-01 48.9000
1927-03-01 48.0000
1927-04-01 49.3000
1927-05-01 48.4000
1927-06-01 46.7000
1927-07-01 44.7000
1927-08-01 46.9000
1927-09-01 46.2000
1927-10-01 44.6000
1927-11-01 40.9000
1927-12-01 44.9000
1928-01-01 46.4000
1928-02-01 50.3000
1928-03-01 51.0000
1928-04-01 50.6000
1928-05-01 48.3000
1928-06-01 49.8000
1928-07-01 48.2000
1928-08-01 48.4000
1928-09-01 49.8000
1928-10-01 46.5000
1928-11-01 40.2000
1928-12-01 43.0000
1929-01-01 46.5000
1929-02-01 49.8000
1929-03-01 49.4000
1929-04-01 49.9000
1929-05-01 48.0000
1929-06-01 46.8000
1929-07-01 48.6000
1929-08-01 46.0000
1929-09-01 48.1000
1929-10-01 47.3000
1929-11-01 39.2000
1929-12-01 41.5000
1930-01-01 40.3000
1930-02-01 41.7000
1930-03-01 40.8000
1930-04-01 42.5000
1930-05-01 42.3000
1930-06-01 41.8000
1930-07-01 37.2000
1930-08-01 37.6000
1930-09-01 40.1000
1930-10-01 37.8000
1930-11-01 37.4000
1930-12-01 38.7000
1931-01-01 35.7000
1931-02-01 39.5000
1931-03-01 40.5000
1931-04-01 42.6000
1931-05-01 44.6000
1931-06-01 38.5000
1931-07-01 34.4000
1931-08-01 35.2000
1931-09-01 31.2000
1931-10-01 29.0000
1931-11-01 33.7000
1931-12-01 37.7000
1932-01-01 37.3000
1932-02-01 38.7000
1932-03-01 33.6000
1932-04-01 29.5000
1932-05-01 32.4000
1932-06-01 26.4000
1932-07-01 20.5000
1932-08-01 21.1000
1932-09-01 24.4000
1932-10-01 26.0000
1932-11-01 37.7000
1932-12-01 37.3000
1933-01-01 42.8000
1933-02-01 39.0000
1933-03-01 26.7000
1933-04-01 33.4000
1933-05-01 36.4000
1933-06-01 44.6000
1933-07-01 40.7000
1933-08-01 36.8000
1933-09-01 36.5000
1933-10-01 33.5000
1933-11-01 30.3000
1933-12-01 31.0000
1934-01-01 34.0000
1934-02-01 37.7000
1934-03-01 38.9000
1934-04-01 37.5000
1934-05-01 31.9000
1934-06-01 33.4000
1934-07-01 31.8000
1934-08-01 29.2000
1934-09-01 28.8000
1934-10-01 30.0000
1934-11-01 30.2000
1934-12-01 35.5000
1935-01-01 38.4000
1935-02-01 40.2000
1935-03-01 40.6000
1935-04-01 40.6000
1935-05-01 34.7000
1935-06-01 37.1000
1935-07-01 36.2000
1935-08-01 31.8000
1935-09-01 34.6000
1935-10-01 37.7000
1935-11-01 39.3000
1935-12-01 37.2000
1936-01-01 34.8000
1936-02-01 31.8000
1936-03-01 36.2000
1936-04-01 40.6000
1936-05-01 40.7000
1936-06-01 39.5000
1936-07-01 38.4000
1936-08-01 35.2000
1936-09-01 36.5000
1936-10-01 38.7000
1936-11-01 40.4000
1936-12-01 39.3000
1937-01-01 34.8000
1937-02-01 39.1000
1937-03-01 38.6000
1937-04-01 36.9000
1937-05-01 37.6000
1937-06-01 35.4000
1937-07-01 33.1000
1937-08-01 34.4000
1937-09-01 33.1000
1937-10-01 36.5000
1937-11-01 34.1000
1937-12-01 30.4000
1938-01-01 27.3000
1938-02-01 27.7000
1938-03-01 27.7000
1938-04-01 31.1000
1938-05-01 29.5000
1938-06-01 31.6000
1938-07-01 31.8000
1938-08-01 34.5000
1938-09-01 36.0000
1938-10-01 37.5000
1938-11-01 37.3000
1938-12-01 35.4000
1939-01-01 33.7000
1939-02-01 32.9000
1939-03-01 32.7000
1939-04-01 34.7000
1939-05-01 32.9000
1939-06-01 33.8000
1939-07-01 33.2000
1939-08-01 37.4000
1939-09-01 36.5000
1939-10-01 37.2000
1939-11-01 36.7000
1939-12-01 37.5000
1940-01-01 36.1000
1940-02-01 37.0000
1940-03-01 37.5000
1940-04-01 37.8000
1940-05-01 34.9000
1940-06-01 37.0000
1940-07-01 33.3000
1940-08-01 38.2000
1940-09-01 37.9000
1940-10-01 41.1000
1940-11-01 39.6000
1940-12-01 37.3000
1941-01-01 38.5000
1941-02-01 41.0000
1941-03-01 41.1000
1941-04-01 36.3000
1941-05-01 40.5000
1941-06-01 42.7000
1941-07-01 36.4000
1941-08-01 37.9000
1941-09-01 37.2000
1941-10-01 40.1000
1941-11-01 39.6000
1941-12-01 36.6000
1942-01-01 43.3000
1942-02-01 43.8000
1942-03-01 45.5000
1942-04-01 45.2000
1942-05-01 45.2000
1942-06-01 44.3000
1942-07-01 43.6000
1942-08-01 45.9000
1942-09-01 44.0000
1942-10-01 45.6000
1942-11-01 45.1000
1942-12-01 42.6000