Month Thousands Of Pieces 1919-01-01 79.0000 1919-02-01 84.7000 1919-03-01 89.3000 1919-04-01 94.9000 1919-05-01 100.500 1919-06-01 94.1000 1919-07-01 87.3000 1919-08-01 78.9000 1919-09-01 71.4000 1919-10-01 60.8000 1919-11-01 56.3000 1919-12-01 52.3000 1920-01-01 45.9000 1920-02-01 57.0000 1920-03-01 59.0000 1920-04-01 53.6000 1920-05-01 51.4000 1920-06-01 43.2000 1920-07-01 48.8000 1920-08-01 45.6000 1920-09-01 40.5000 1920-10-01 32.8000 1920-11-01 40.7000 1920-12-01 50.4000 1921-01-01 65.8000 1921-02-01 80.5000 1921-03-01 94.4000 1921-04-01 96.5000 1921-05-01 91.7000 1921-06-01 93.4000 1921-07-01 95.8000 1921-08-01 105.800 1921-09-01 94.1000 1921-10-01 82.0000 1921-11-01 81.0000 1921-12-01 91.6000 1922-01-01 83.2000 1922-02-01 80.7000 1922-03-01 86.3000 1922-04-01 85.5000 1922-05-01 77.8000 1922-06-01 66.6000 1922-07-01 63.0000 1922-08-01 61.3000 1922-09-01 52.0000 1922-10-01 51.6000 1922-11-01 52.4000 1922-12-01 60.1000 1923-01-01 60.5000 1923-02-01 52.3000 1923-03-01 56.9000 1923-04-01 55.5000 1923-05-01 50.0000 1923-06-01 47.8000 1923-07-01 47.6000 1923-08-01 49.5000 1923-09-01 43.4000 1923-10-01 52.5000 1923-11-01 47.3000 1923-12-01 51.8000 1924-01-01 64.0000 1924-02-01 60.1000 1924-03-01 77.4000 1924-04-01 81.6000 1924-05-01 94.8000 1924-06-01 106.000 1924-07-01 105.300 1924-08-01 114.600 1924-09-01 132.100 1924-10-01 158.400 1924-11-01 151.700 1924-12-01 187.800 1925-01-01 174.300 1925-02-01 188.300 1925-03-01 191.100 1925-04-01 196.800 1925-05-01 180.100 1925-06-01 179.100 1925-07-01 176.500 1925-08-01 160.100 1925-09-01 151.400 1925-10-01 142.500 1925-11-01 154.000 1925-12-01 161.400 1926-01-01 158.700 1926-02-01 160.700 1926-03-01 168.300 1926-04-01 158.200 1926-05-01 160.500 1926-06-01 157.000 1926-07-01 151.900 1926-08-01 145.100 1926-09-01 138.000 1926-10-01 135.600 1926-11-01 137.900 1926-12-01 144.600 1927-01-01 130.900 1927-02-01 140.400 1927-03-01 133.900 1927-04-01 130.300 1927-05-01 136.000 1927-06-01 132.600 1927-07-01 134.100 1927-08-01 127.800 1927-09-01 136.900 1927-10-01 134.300 1927-11-01 132.100 1927-12-01 138.700 1928-01-01 131.400 1928-02-01 141.100 1928-03-01 137.400 1928-04-01 125.300 1928-05-01 113.100 1928-06-01 111.100 1928-07-01 110.300 1928-08-01 96.0000 1928-09-01 103.500 1928-10-01 116.100 1928-11-01 125.100 1928-12-01 128.300 1929-01-01 137.600 1929-02-01 142.000 1929-03-01 149.000 1929-04-01 148.000 1929-05-01 145.300 1929-06-01 142.400 1929-07-01 133.300 1929-08-01 122.600 1929-09-01 121.400 1929-10-01 124.300 1929-11-01 123.100 1929-12-01 122.200 1930-01-01 113.400 1930-02-01 117.100 1930-03-01 145.300 1930-04-01 145.500 1930-05-01 132.100 1930-06-01 125.500 1930-07-01 104.100 1930-08-01 101.900 1930-09-01 100.600 1930-10-01 106.900 1930-11-01 108.800 1930-12-01 112.500 1931-01-01 106.200 1931-02-01 107.400 1931-03-01 109.500 1931-04-01 107.900 1931-05-01 101.700 1931-06-01 98.4000 1931-07-01 94.3000 1931-08-01 86.5000 1931-09-01 86.6000 1931-10-01 86.4000 1931-11-01 83.5000 1931-12-01 82.5000