Month	Thousands Of Pieces
1917-04-01	67.5000
1917-05-01	66.1000
1917-06-01	60.5000
1917-07-01	43.7000
1917-08-01	34.2000
1917-09-01	26.5000
1917-10-01	20.5000
1917-11-01	14.4000
1917-12-01	16.6000
1918-01-01	16.3000
1918-02-01	22.6000
1918-03-01	35.6000
1918-04-01	39.2000
1918-05-01	47.3000
1918-06-01	46.6000
1918-07-01	43.9000
1918-08-01	37.6000
1918-09-01	35.1000
1918-10-01	31.9000
1918-11-01	22.7000
1918-12-01	15.3000
1919-01-01	12.1000
1919-02-01	18.7000
1919-03-01	26.0000
1919-04-01	40.1000
1919-05-01	59.2000
1919-06-01	66.4000
1919-07-01	82.3000
1919-08-01	68.6000
1919-09-01	68.5000
1919-10-01	77.6000
1919-11-01	69.7000
1919-12-01	65.9000
1920-01-01	50.6000
1920-02-01	46.9000
1920-03-01	62.2000
1920-04-01	43.4000
1920-05-01	50.2000
1920-06-01	56.6000
1920-07-01	77.8000
1920-08-01	74.7000
1920-09-01	60.1000
1920-10-01	65.7000
1920-11-01	74.0000
1920-12-01	60.4000
1921-01-01	41.0000
1921-02-01	52.2000
1921-03-01	69.6000
1921-04-01	67.1000
1921-05-01	67.5000
1921-06-01	66.9000
1921-07-01	65.9000
1921-08-01	73.0000
1921-09-01	73.1000
1921-10-01	92.8000
1921-11-01	70.9000
1921-12-01	57.4000
1922-01-01	74.0000
1922-02-01	74.5000
1922-03-01	91.9000
1922-04-01	100.500
1922-05-01	111.300
1922-06-01	109.200
1922-07-01	89.5000
1922-08-01	97.0000
1922-09-01	92.6000
1922-10-01	100.100
1922-11-01	98.9000
1922-12-01	104.600
1923-01-01	121.900
1923-02-01	103.600
1923-03-01	118.800
1923-04-01	103.700
1923-05-01	110.000
1923-06-01	107.100
1923-07-01	104.100
1923-08-01	116.900
1923-09-01	107.100
1923-10-01	141.400
1923-11-01	117.200
1923-12-01	118.000
1924-01-01	137.600
1924-02-01	137.500
1924-03-01	157.800
1924-04-01	130.200
1924-05-01	126.600
1924-06-01	112.100
1924-07-01	110.100
1924-08-01	115.800
1924-09-01	110.700
1924-10-01	114.700
1924-11-01	91.6000
1924-12-01	99.9000
1925-01-01	127.300
1925-02-01	121.500
1925-03-01	125.700
1925-04-01	135.800
1925-05-01	130.100
1925-06-01	132.200
1925-07-01	135.400
1925-08-01	135.200
1925-09-01	140.000
1925-10-01	146.000
1925-11-01	106.000
1925-12-01	115.500
1926-01-01	115.000
1926-02-01	97.8000
1926-03-01	121.900
1926-04-01	117.200
1926-05-01	127.200
1926-06-01	129.500
1926-07-01	117.300
1926-08-01	122.300
1926-09-01	125.000
1926-10-01	120.300
1926-11-01	91.7000
1926-12-01	78.5000
1927-01-01	99.2000
1927-02-01	99.9000
1927-03-01	118.000
1927-04-01	114.600
1927-05-01	112.900
1927-06-01	126.900
1927-07-01	115.200
1927-08-01	131.800
1927-09-01	118.200
1927-10-01	117.300
1927-11-01	86.1000
1927-12-01	75.2000
1928-01-01	93.2000
1928-02-01	91.3000
1928-03-01	120.200
1928-04-01	125.500
1928-05-01	143.800
1928-06-01	128.300
1928-07-01	122.600
1928-08-01	116.500
1928-09-01	101.700
1928-10-01	111.700
1928-11-01	89.3000
1928-12-01	73.6000
1929-01-01	93.3000
1929-02-01	79.2000
1929-03-01	97.4000
1929-04-01	109.700
1929-05-01	108.100
1929-06-01	102.700
1929-07-01	114.100
1929-08-01	121.700
1929-09-01	105.000
1929-10-01	93.6000
1929-11-01	68.7000
1929-12-01	65.9000
1930-01-01	58.3000
1930-02-01	62.5000
1930-03-01	80.0000
1930-04-01	75.2000
1930-05-01	75.1000
1930-06-01	61.3000
1930-07-01	64.5000
1930-08-01	62.5000
1930-09-01	64.0000
1930-10-01	61.5000
1930-11-01	51.0000
1930-12-01	44.0000
1931-01-01	80.1000
1931-02-01	39.2000
1931-03-01	41.8000
1931-04-01	49.4000
1931-05-01	56.8000
1931-06-01	51.7000
1931-07-01	53.9000
1931-08-01	44.9000
1931-09-01	43.1000
1931-10-01	46.4000
1931-11-01	34.2000
1931-12-01	23.1000