Month Cents 1920-07-01 70.5000 1920-12-01 74.3000 1921-07-01 62.9000 1921-12-01 55.1000 1922-07-01 54.9000 1922-12-01 60.9000 1923-07-01 67.8000 1923-12-01 70.0000 1924-07-01 65.9000 1924-12-01 68.5000 1925-01-01 65.8000 1925-02-01 65.9000 1925-03-01 65.0000 1925-04-01 64.7000 1925-05-01 67.2000 1925-06-01 66.9000 1925-07-01 66.5000 1925-08-01 66.0000 1925-09-01 66.3000 1925-10-01 66.6000 1925-11-01 66.1000 1925-12-01 66.1000 1926-01-01 65.6000 1926-02-01 65.8000 1926-03-01 66.2000 1926-04-01 65.6000 1926-05-01 66.1000 1926-06-01 66.3000 1926-07-01 66.3000 1926-08-01 65.5000 1926-09-01 66.5000 1926-10-01 66.5000 1926-11-01 65.7000 1926-12-01 65.6000 1927-01-01 65.2000 1927-02-01 64.8000 1927-03-01 63.9000 1927-04-01 65.1000 1927-05-01 65.3000 1927-06-01 66.1000 1927-07-01 65.9000 1927-08-01 65.9000 1927-09-01 66.0000 1927-10-01 65.2000 1927-11-01 65.9000 1927-12-01 64.9000 1928-01-01 64.1000 1928-02-01 64.5000 1928-03-01 65.5000 1928-04-01 66.3000 1928-05-01 65.2000 1928-06-01 65.1000 1928-07-01 65.3000 1928-08-01 65.6000 1928-09-01 66.7000 1928-10-01 66.7000 1928-11-01 66.6000 1928-12-01 66.1000 1929-01-01 65.6000 1929-02-01 64.9000 1929-03-01 65.2000 1929-04-01 65.9000 1929-05-01 66.6000 1929-06-01 66.4000 1929-07-01 66.5000 1929-08-01 66.5000 1929-09-01 67.6000 1929-10-01 67.5000 1929-11-01 66.7000 1929-12-01 68.2000 1930-01-01 67.0000 1930-02-01 67.7000 1930-03-01 67.0000 1930-04-01 67.5000 1930-05-01 66.1000 1930-06-01 67.5000 1930-07-01 67.0000 1930-08-01 67.3000 1930-09-01 65.6000 1930-10-01 63.9000 1930-11-01 63.2000 1930-12-01 64.0000 1931-01-01 63.1000 1931-02-01 61.6000 1931-03-01 61.2000 1931-04-01 61.3000 1931-05-01 60.6000 1931-06-01 60.4000 1931-07-01 60.4000 1931-08-01 60.9000 1931-09-01 61.4000 1931-10-01 60.6000 1931-11-01 60.3000 1931-12-01 60.7000 1932-01-01 60.5000 1932-02-01 60.2000 1932-03-01 59.6000 1932-04-01 59.9000 1932-05-01 59.4000 1932-06-01 57.7000 1932-07-01 56.7000 1932-08-01 56.5000 1932-09-01 57.6000 1932-10-01 55.3000 1932-11-01 53.5000 1932-12-01 53.4000 1933-01-01 52.9000 1933-02-01 53.2000 1933-03-01 53.7000 1933-04-01 53.3000 1933-05-01 53.5000 1933-06-01 52.6000 1933-07-01 52.0000 1933-08-01 55.9000 1933-09-01 59.7000 1933-10-01 59.5000 1933-11-01 59.9000 1933-12-01 59.9000 1934-01-01 60.0000 1934-02-01 59.9000 1934-03-01 60.4000 1934-04-01 61.1000 1934-05-01 62.8000 1934-06-01 62.5000 1934-07-01 61.4000 1934-08-01 61.4000 1934-09-01 61.5000 1934-10-01 61.9000 1934-11-01 61.5000 1934-12-01 62.4000 1935-01-01 62.3000 1935-02-01 63.1000 1935-03-01 63.0000 1935-04-01 62.9000 1935-05-01 63.9000 1935-06-01 63.0000 1935-07-01 61.7000 1935-08-01 62.0000 1935-09-01 62.7000 1935-10-01 62.6000 1935-11-01 62.1000 1935-12-01 62.9000 1936-01-01 64.4000 1936-02-01 64.6000 1936-03-01 64.9000 1936-04-01 64.8000 1936-05-01 65.3000 1936-06-01 64.8000 1936-07-01 64.0000 1936-08-01 64.5000 1936-09-01 65.4000 1936-10-01 65.5000 1936-11-01 65.0000 1936-12-01 65.9000 1937-01-01 67.6000 1937-02-01 68.5000 1937-03-01 68.6000 1937-04-01 71.2000 1937-05-01 72.4000 1937-06-01 72.2000 1937-07-01 72.8000 1937-08-01 73.7000 1937-09-01 74.6000 1937-10-01 75.8000 1937-11-01 75.7000 1937-12-01 77.1000 1938-01-01 75.8000 1938-02-01 76.5000 1938-03-01 76.9000 1938-04-01 75.8000 1938-05-01 75.9000 1938-06-01 77.8000 1938-07-01 77.5000 1938-08-01 77.9000 1938-09-01 77.7000 1938-10-01 78.2000 1938-11-01 78.0000 1938-12-01 78.9000 1939-01-01 78.5000 1939-02-01 78.5000 1939-03-01 78.5000 1939-04-01 78.8000 1939-05-01 77.8000 1939-06-01 77.7000 1939-07-01 77.8000 1939-08-01 77.7000 1939-09-01 78.3000 1939-10-01 77.6000 1939-11-01 78.1000 1939-12-01 78.8000 1940-01-01 79.0000 1940-02-01 78.6000 1940-03-01 79.4000 1940-04-01 79.8000 1940-05-01 80.4000 1940-06-01 80.9000 1940-07-01 80.7000 1940-08-01 79.3000 1940-09-01 80.2000 1940-10-01 80.9000 1940-11-01 81.7000 1940-12-01 83.2000 1941-01-01 84.1000 1941-02-01 84.8000 1941-03-01 84.6000 1941-04-01 84.7000 1941-05-01 87.1000 1941-06-01 91.8000 1941-07-01 92.1000 1941-08-01 92.3000 1941-09-01 94.0000 1941-10-01 94.5000 1941-11-01 95.5000 1941-12-01 98.3000 1942-01-01 100.100 1942-02-01 99.5000 1942-03-01 99.7000 1942-04-01 100.900 1942-05-01 101.900 1942-06-01 103.400 1942-07-01 107.200 1942-08-01 108.100 1942-09-01 110.700 1942-10-01 111.700 1942-11-01 112.800 1942-12-01 115.900