Month Thousands Of Pieces 1917-04-01 63.9000 1917-05-01 65.7000 1917-06-01 62.3000 1917-07-01 50.7000 1917-08-01 36.6000 1917-09-01 28.4000 1917-10-01 20.9000 1917-11-01 16.7000 1917-12-01 14.9000 1918-01-01 17.6000 1918-02-01 25.3000 1918-03-01 31.9000 1918-04-01 40.4000 1918-05-01 44.3000 1918-06-01 49.8000 1918-07-01 44.6000 1918-08-01 39.9000 1918-09-01 39.1000 1918-10-01 29.8000 1918-11-01 17.7000 1918-12-01 11.1000 1919-01-01 10.9000 1919-02-01 14.7000 1919-03-01 21.2000 1919-04-01 28.5000 1919-05-01 43.1000 1919-06-01 57.5000 1919-07-01 78.5000 1919-08-01 62.6000 1919-09-01 57.8000 1919-10-01 65.2000 1919-11-01 56.2000 1919-12-01 53.1000 1920-01-01 40.8000 1920-02-01 39.4000 1920-03-01 56.8000 1920-04-01 40.9000 1920-05-01 40.3000 1920-06-01 50.7000 1920-07-01 63.1000 1920-08-01 59.3000 1920-09-01 53.7000 1920-10-01 54.9000 1920-11-01 60.0000 1920-12-01 57.2000 1921-01-01 46.8000 1921-02-01 62.1000 1921-03-01 59.3000 1921-04-01 59.1000 1921-05-01 52.3000 1921-06-01 56.3000 1921-07-01 56.7000 1921-08-01 61.7000 1921-09-01 66.3000 1921-10-01 77.3000 1921-11-01 54.9000 1921-12-01 45.2000 1922-01-01 63.2000 1922-02-01 71.7000 1922-03-01 92.5000 1922-04-01 103.600 1922-05-01 110.200 1922-06-01 104.700 1922-07-01 86.5000 1922-08-01 96.8000 1922-09-01 92.4000 1922-10-01 90.7000 1922-11-01 93.0000 1922-12-01 93.0000 1923-01-01 99.1000 1923-02-01 89.7000 1923-03-01 110.700 1923-04-01 98.4000 1923-05-01 109.800 1923-06-01 100.700 1923-07-01 99.9000 1923-08-01 123.400 1923-09-01 113.800 1923-10-01 147.600 1923-11-01 121.700 1923-12-01 111.000 1924-01-01 130.000 1924-02-01 131.900 1924-03-01 149.300 1924-04-01 128.000 1924-05-01 110.700 1924-06-01 98.0000 1924-07-01 93.1000 1924-08-01 104.300 1924-09-01 103.000 1924-10-01 105.500 1924-11-01 85.8000 1924-12-01 83.9000 1925-01-01 123.500 1925-02-01 123.100 1925-03-01 121.900 1925-04-01 123.200 1925-05-01 122.300 1925-06-01 130.700 1925-07-01 148.400 1925-08-01 140.400 1925-09-01 139.900 1925-10-01 140.700 1925-11-01 105.500 1925-12-01 108.600 1926-01-01 114.200 1926-02-01 105.000 1926-03-01 121.800 1926-04-01 116.200 1926-05-01 125.200 1926-06-01 134.500 1926-07-01 118.000 1926-08-01 122.500 1926-09-01 130.100 1926-10-01 117.100 1926-11-01 86.6000 1926-12-01 74.0000 1927-01-01 103.000 1927-02-01 89.2000 1927-03-01 114.200 1927-04-01 111.600 1927-05-01 109.600 1927-06-01 119.300 1927-07-01 110.800 1927-08-01 126.500 1927-09-01 118.300 1927-10-01 102.000 1927-11-01 79.6000 1927-12-01 68.9000 1928-01-01 86.5000 1928-02-01 87.9000 1928-03-01 115.100 1928-04-01 124.000 1928-05-01 141.500 1928-06-01 131.600 1928-07-01 120.600 1928-08-01 114.100 1928-09-01 94.3000 1928-10-01 99.2000 1928-11-01 79.2000 1928-12-01 71.6000 1929-01-01 81.7000 1929-02-01 80.4000 1929-03-01 94.3000 1929-04-01 104.200 1929-05-01 104.500 1929-06-01 101.900 1929-07-01 108.100 1929-08-01 126.800 1929-09-01 97.3000 1929-10-01 85.9000 1929-11-01 67.0000 1929-12-01 66.3000 1930-01-01 53.1000 1930-02-01 60.6000 1930-03-01 81.2000 1930-04-01 74.8000 1930-05-01 72.1000 1930-06-01 62.3000 1930-07-01 63.9000 1930-08-01 59.1000 1930-09-01 62.4000 1930-10-01 58.3000 1930-11-01 47.1000 1930-12-01 48.0000 1931-01-01 93.9000 1931-02-01 34.4000 1931-03-01 36.6000 1931-04-01 43.2000 1931-05-01 54.5000 1931-06-01 50.6000 1931-07-01 53.6000 1931-08-01 45.3000 1931-09-01 43.4000 1931-10-01 45.0000 1931-11-01 30.8000 1931-12-01 18.9000