Month	Marks Per Metric Ton
1913-04-01	74.5100
1913-05-01	74.5400
1913-06-01	74.6600
1913-07-01	74.5600
1913-08-01	74.5000
1913-09-01	74.5000
1913-10-01	74.3600
1913-11-01	74.2300
1913-12-01	74.3100
1914-01-01	70.3600
1914-02-01	70.4300
1914-03-01	70.5000
1914-04-01	70.5700
1914-05-01	70.5700
1914-06-01	70.6400
1914-07-01	69.5700
1914-08-01	69.6400
1914-09-01	69.7100
1914-10-01	71.4300
1914-11-01	67.9100
1914-12-01	69.5000
1915-01-01	67.8500
1915-02-01	66.4600
1915-03-01	64.9500
1915-04-01	70.3800
1915-05-01	70.7500
1915-07-01	76.0700
1915-08-01	76.0000
1915-09-01	77.0600
1915-10-01	76.9900
1915-11-01	75.4900
1915-12-01	72.3600
1916-01-01	69.9100
1916-02-01	69.5300
1916-03-01	68.8900
1916-04-01	70.1100
1916-05-01	73.2700
1916-06-01	71.9900
1916-07-01	69.5700
1916-08-01	68.5800
1916-09-01	66.6200
1916-10-01	67.0600
1916-11-01	66.1300
1916-12-01	66.8100
1917-01-01	84.1200
1917-02-01	82.9800
1917-03-01	83.6900
1917-04-01	75.1800
1917-05-01	76.9100
1917-06-01	70.8600
1917-07-01	70.4900
1917-08-01	75.2800
1917-09-01	76.9200
1917-10-01	78.6300
1917-11-01	82.5800
1917-12-01	101.190
1918-01-01	109.990
1918-02-01	108.680
1918-03-01	110.080
1918-04-01	112.070
1918-05-01	111.520
1918-06-01	106.970
1918-07-01	98.9800
1918-08-01	94.0700
1918-09-01	99.7500
1918-10-01	99.4900
1918-11-01	88.5200
1918-12-01	79.3600
1919-01-01	127.560
1919-02-01	114.540
1919-03-01	100.610
1919-04-01	112.960
1919-05-01	127.450
1919-06-01	121.220
1919-07-01	122.000
1919-08-01	115.200
1919-09-01	90.2000
1919-10-01	102.000
1919-11-01	71.4000
1919-12-01	82.0000
1920-01-01	85.8000
1920-02-01	68.9000
1920-03-01	83.4000
1920-04-01	125.000
1920-05-01	161.700
1920-06-01	186.700
1920-07-01	185.000
1920-08-01	146.000
1920-09-01	120.200
1920-10-01	102.300
1920-11-01	90.2000
1920-12-01	95.4000
1921-01-01	107.300
1921-02-01	113.600
1921-03-01	111.600
1921-04-01	99.8000
1921-05-01	100.000
1921-06-01	89.9000
1921-07-01	81.3000
1921-08-01	73.9000
1921-09-01	59.4000
1921-10-01	41.5000
1921-11-01	33.9000
1921-12-01	71.1000
1922-01-01	71.1000
1922-02-01	68.1000
1922-03-01	61.1000
1922-04-01	79.0000
1922-05-01	83.9000
1922-06-01	81.2000
1922-07-01	67.6000
1922-08-01	47.7000
1922-09-01	75.0000
1922-10-01	48.0000
1922-11-01	54.9000
1922-12-01	88.2000
1923-01-01	73.4000
1923-02-01	115.500
1923-03-01	128.100
1923-04-01	109.300
1923-05-01	113.100
1923-06-01	102.300
1923-07-01	109.100
1923-08-01	114.400
1923-09-01	113.900
1923-10-01	109.600
1923-11-01	107.500
1923-12-01	106.400
1924-01-01	89.3000
1924-02-01	84.0000
1924-03-01	85.1000
1924-04-01	91.2000
1924-05-01	102.000
1924-06-01	102.000
1924-07-01	97.0000
1924-08-01	97.0000
1924-09-01	97.0000
1924-10-01	89.0000
1924-11-01	89.0000
1924-12-01	89.0000
1925-01-01	89.0000
1925-02-01	89.7000
1925-03-01	91.0000
1925-04-01	91.0000
1925-05-01	91.0000
1925-06-01	91.0000
1925-07-01	91.0000
1925-08-01	88.0000
1925-09-01	88.0000
1925-10-01	86.0000
1925-11-01	86.0000
1925-12-01	86.0000
1926-01-01	86.0000
1926-02-01	86.0000
1926-03-01	86.0000
1926-04-01	86.0000
1926-05-01	86.0000
1926-06-01	86.0000
1926-07-01	86.0000
1926-08-01	86.0000
1926-09-01	86.0000
1926-10-01	86.0000
1926-11-01	86.0000
1926-12-01	86.0000
1927-01-01	86.0000
1927-02-01	86.0000
1927-03-01	86.0000
1927-04-01	86.0000
1927-05-01	86.0000
1927-06-01	86.0000
1927-07-01	86.0000
1927-08-01	86.0000
1927-09-01	78.0000
1927-10-01	78.0000
1927-11-01	78.0000
1927-12-01	78.0000
1928-01-01	82.0000
1928-02-01	82.0000
1928-03-01	82.0000
1928-04-01	82.0000
1928-05-01	82.0000
1928-06-01	82.0000
1928-07-01	82.0000
1928-08-01	82.0000
1928-09-01	82.0000
1928-10-01	82.0000
1928-11-01	82.0000
1928-12-01	82.0000
1929-01-01	82.0000
1929-02-01	82.0000
1929-03-01	82.0000
1929-04-01	82.0000
1929-05-01	83.6500
1929-06-01	85.0000
1929-07-01	85.0000
1929-08-01	85.0000
1929-09-01	85.0000
1929-10-01	85.0000
1929-11-01	85.0000
1929-12-01	85.0000
1930-01-01	85.0000
1930-02-01	85.0000
1930-03-01	85.0000
1930-04-01	85.0000
1930-05-01	85.0000
1930-06-01	83.8700
1930-07-01	83.0000
1930-08-01	83.0000
1930-09-01	83.0000
1930-10-01	83.0000
1930-11-01	83.0000
1930-12-01	83.0000
1931-01-01	78.0000
1931-02-01	78.0000
1931-03-01	78.0000
1931-04-01	78.0000
1931-05-01	78.0000
1931-06-01	78.0000
1931-07-01	78.0000
1931-08-01	78.0000
1931-09-01	78.0000
1931-10-01	78.0000
1931-11-01	78.0000
1931-12-01	73.3500
1932-01-01	69.0000
1932-02-01	69.0000
1932-03-01	69.0000
1932-04-01	69.0000
1932-05-01	69.0000
1932-06-01	69.0000
1932-07-01	69.0000
1932-08-01	69.0000
1932-09-01	69.0000
1932-10-01	69.0000
1932-11-01	63.0000
1932-12-01	63.0000
1933-01-01	63.0000
1933-02-01	63.0000
1933-03-01	63.0000
1933-04-01	63.0000
1933-05-01	63.0000
1933-06-01	63.0000
1933-07-01	63.0000
1933-08-01	63.0000
1933-09-01	63.0000
1933-10-01	63.0000
1933-11-01	63.0000
1933-12-01	63.0000
1934-01-01	63.0000
1934-02-01	63.0000
1934-03-01	63.0000
1934-04-01	63.0000
1934-05-01	63.0000
1934-06-01	63.0000
1934-07-01	63.0000
1934-08-01	63.0000
1934-09-01	63.0000
1934-10-01	63.0000
1934-11-01	63.0000
1934-12-01	63.0000
1935-01-01	63.0000
1935-02-01	63.0000
1935-03-01	63.0000
1935-04-01	63.0000
1935-05-01	63.0000
1935-06-01	63.0000
1935-07-01	63.0000