Month Thousands Of Sinks 1917-04-01 62.0000 1917-05-01 38.3000 1917-06-01 69.3000 1917-07-01 21.2000 1917-08-01 19.9000 1917-09-01 13.5000 1917-10-01 15.1000 1917-11-01 10.6000 1917-12-01 12.9000 1918-01-01 27.2000 1918-02-01 26.2000 1918-03-01 35.0000 1918-04-01 37.2000 1918-05-01 69.0000 1918-06-01 67.2000 1918-07-01 29.3000 1918-08-01 34.8000 1918-09-01 31.8000 1918-10-01 24.6000 1918-11-01 10.6000 1918-12-01 8.20000 1919-01-01 11.5000 1919-02-01 20.5000 1919-03-01 29.1000 1919-04-01 45.0000 1919-05-01 79.4000 1919-06-01 131.800 1919-07-01 171.000 1919-08-01 101.700 1919-09-01 85.3000 1919-10-01 96.9000 1919-11-01 129.200 1919-12-01 154.700 1920-01-01 94.8000 1920-02-01 82.0000 1920-03-01 88.3000 1920-04-01 53.9000 1920-05-01 66.8000 1920-06-01 51.7000 1920-07-01 55.6000 1920-08-01 70.2000 1920-09-01 38.4000 1920-10-01 39.2000 1920-11-01 27.0000 1920-12-01 22.2000 1921-01-01 47.2000 1921-02-01 44.4000 1921-03-01 59.5000 1921-04-01 61.1000 1921-05-01 63.2000 1921-06-01 68.9000 1921-07-01 60.4000 1921-08-01 71.2000 1921-09-01 77.4000 1921-10-01 97.1000 1921-11-01 62.2000 1921-12-01 62.2000 1922-01-01 85.5000 1922-02-01 72.2000 1922-03-01 96.5000 1922-04-01 142.500 1922-05-01 197.700 1922-06-01 168.400 1922-07-01 125.600 1922-08-01 104.600 1922-09-01 116.000 1922-10-01 104.700 1922-11-01 141.400 1922-12-01 135.100 1923-01-01 204.900 1923-02-01 175.300 1923-03-01 156.900 1923-04-01 138.500 1923-05-01 107.000 1923-06-01 76.6000 1923-07-01 80.4000 1923-08-01 103.500 1923-09-01 93.9000 1923-10-01 141.700 1923-11-01 120.500 1923-12-01 135.700 1924-01-01 160.600 1924-02-01 165.900 1924-03-01 163.200 1924-04-01 111.900 1924-05-01 81.3000 1924-06-01 85.6000 1924-07-01 91.8000 1924-08-01 104.700 1924-09-01 94.9000 1924-10-01 99.7000 1924-11-01 93.6000 1924-12-01 132.700 1925-01-01 148.900 1925-02-01 124.000 1925-03-01 120.500 1925-04-01 130.100 1925-05-01 138.200 1925-06-01 136.000 1925-07-01 140.800 1925-08-01 143.300 1925-09-01 145.200 1925-10-01 130.600 1925-11-01 122.000 1925-12-01 121.000 1926-01-01 123.700 1926-02-01 97.1000 1926-03-01 130.500 1926-04-01 119.200 1926-05-01 126.700 1926-06-01 126.700 1926-07-01 117.700 1926-08-01 127.800 1926-09-01 116.000 1926-10-01 110.800 1926-11-01 94.7000 1926-12-01 97.1000 1927-01-01 104.900 1927-02-01 94.5000 1927-03-01 123.900 1927-04-01 115.500 1927-05-01 118.800 1927-06-01 118.200 1927-07-01 120.500 1927-08-01 131.100 1927-09-01 126.100 1927-10-01 108.800 1927-11-01 85.9000 1927-12-01 88.0000 1928-01-01 96.5000 1928-02-01 94.6000 1928-03-01 147.900 1928-04-01 206.200 1928-05-01 136.800 1928-06-01 112.000 1928-07-01 108.600 1928-08-01 72.8000 1928-09-01 89.1000 1928-10-01 103.100 1928-11-01 92.3000 1928-12-01 70.0000 1929-01-01 86.0000 1929-02-01 85.7000 1929-03-01 106.800 1929-04-01 126.900 1929-05-01 104.900 1929-06-01 92.2000 1929-07-01 136.800 1929-08-01 142.600 1929-09-01 85.0000 1929-10-01 78.4000 1929-11-01 61.5000 1929-12-01 49.8000 1930-01-01 43.2000 1930-02-01 91.7000 1930-03-01 79.3000 1930-04-01 70.7000 1930-05-01 61.8000 1930-06-01 62.4000 1930-07-01 61.8000 1930-08-01 55.8000 1930-09-01 57.6000 1930-10-01 58.5000 1930-11-01 44.9000 1930-12-01 61.6000 1931-01-01 63.1000 1931-02-01 35.9000 1931-03-01 41.5000 1931-04-01 52.8000 1931-05-01 54.7000 1931-06-01 49.9000 1931-07-01 52.2000 1931-08-01 43.2000 1931-09-01 43.5000 1931-10-01 44.3000 1931-11-01 35.0000 1931-12-01 19.8000