Month Thousands Of Roof Squares 1932-04-01 2312.00 1932-05-01 1661.00 1932-06-01 1563.00 1932-07-01 1749.00 1932-08-01 2852.00 1932-09-01 3164.00 1932-10-01 2633.00 1932-11-01 1264.00 1932-12-01 658.000 1933-01-01 875.000 1933-02-01 1719.00 1933-03-01 2773.00 1933-04-01 2321.00 1933-05-01 2904.00 1933-06-01 2137.00 1933-07-01 2793.00 1933-08-01 1881.00 1933-09-01 2153.00 1933-10-01 2671.00 1933-11-01 1621.00 1933-12-01 889.000 1934-01-01 1100.00 1934-02-01 1051.00 1934-03-01 2221.00 1934-04-01 2946.00 1934-05-01 2357.00 1934-06-01 1326.00 1934-07-01 1743.00 1934-08-01 3762.00 1934-09-01 1944.00 1934-10-01 2426.00 1934-11-01 1894.00 1934-12-01 1235.00 1935-01-01 1200.00 1935-02-01 1055.00 1935-03-01 1969.00 1935-04-01 2790.00 1935-05-01 2779.00 1935-06-01 2169.00 1935-07-01 2259.00 1935-08-01 2685.00 1935-09-01 2998.00 1935-10-01 3064.00 1935-11-01 1929.00 1935-12-01 1154.00 1936-01-01 1659.00 1936-02-01 3139.00 1936-03-01 2447.00 1936-04-01 2744.00 1936-05-01 2097.00 1936-06-01 2361.00 1936-07-01 2504.00 1936-08-01 2979.00 1936-09-01 4258.00 1936-10-01 3995.00 1936-11-01 2592.00 1936-12-01 1462.00 1937-01-01 2386.00 1937-02-01 3576.00 1937-03-01 2340.00 1937-04-01 2433.00 1937-05-01 2517.00 1937-06-01 2279.00 1937-07-01 2152.00 1937-08-01 2671.00 1937-09-01 3373.00 1937-10-01 3021.00 1937-11-01 2095.00 1937-12-01 1099.00 1938-01-01 1852.00 1938-02-01 2288.00 1938-03-01 4529.00 1938-04-01 2965.00 1938-05-01 2191.00 1938-06-01 2435.00 1938-07-01 2404.00 1938-08-01 3216.00 1938-09-01 4013.00 1938-10-01 4081.00 1938-11-01 2583.00 1938-12-01 2052.00 1939-01-01 1592.00 1939-02-01 1530.00 1939-03-01 3084.00 1939-04-01 3346.00 1939-05-01 2719.00 1939-06-01 2888.00 1939-07-01 2633.00 1939-08-01 3923.00 1939-09-01 3868.00 1939-10-01 4612.00 1939-11-01 2460.00 1939-12-01 1489.00 1940-01-01 1188.00 1940-02-01 1925.00 1940-03-01 2056.00 1940-04-01 2253.00 1940-05-01 2875.00 1940-06-01 2661.00 1940-07-01 2941.00 1940-08-01 3483.00 1940-09-01 3902.00 1940-10-01 4222.00 1940-11-01 2927.00 1940-12-01 2164.00 1941-01-01 2354.00 1941-02-01 2477.00 1941-03-01 3111.00 1941-04-01 3298.00 1941-05-01 3747.00 1941-06-01 3571.00 1941-07-01 4063.00 1941-08-01 4016.00 1941-09-01 4153.00 1941-10-01 4736.00 1941-11-01 3825.00 1941-12-01 3033.00 1942-01-01 2742.00 1942-02-01 3080.00 1942-03-01 3724.00 1942-04-01 4224.00 1942-05-01 4415.00 1942-06-01 4421.00 1942-07-01 4912.00 1942-08-01 5152.00 1942-09-01 5440.00 1942-10-01 5774.00 1942-11-01 4926.00 1942-12-01 5400.00 1943-01-01 3767.00 1943-02-01 3516.00 1943-03-01 3411.00 1943-04-01 3673.00 1943-05-01 3695.00 1943-06-01 4149.00 1943-07-01 4417.00 1943-08-01 4505.00 1943-09-01 4450.00