Month 1939=100 1939-01-01 104.600 1939-02-01 115.000 1939-03-01 115.900 1939-04-01 101.700 1939-05-01 84.0000 1939-06-01 92.9000 1939-07-01 108.200 1939-08-01 109.500 1939-09-01 95.7000 1939-10-01 94.1000 1939-11-01 85.5000 1939-12-01 92.9000 1940-01-01 104.700 1940-02-01 106.100 1940-03-01 103.500 1940-04-01 88.1000 1940-05-01 76.9000 1940-06-01 83.0000 1940-07-01 98.7000 1940-08-01 99.2000 1940-09-01 95.3000 1940-10-01 91.4000 1940-11-01 82.7000 1940-12-01 96.9000 1941-01-01 106.000 1941-02-01 117.700 1941-03-01 124.700 1941-04-01 117.900 1941-05-01 114.700 1941-06-01 121.600 1941-07-01 130.700 1941-08-01 133.300 1941-09-01 126.100 1941-10-01 123.500 1941-11-01 117.000 1941-12-01 131.700 1942-01-01 133.700 1942-02-01 142.500 1942-03-01 148.500 1942-04-01 146.100 1942-05-01 141.200 1942-06-01 136.800 1942-07-01 136.900 1942-08-01 134.900