Month	Short Tons
1881-12-01	56670.0
1882-01-01	60510.0
1882-02-01	60535.0
1882-03-01	59394.0
1882-04-01	57137.0
1882-05-01	51321.0
1882-06-01	53334.0
1882-07-01	54728.0
1882-08-01	54938.0
1882-09-01	52578.0
1882-10-01	52426.0
1882-11-01	54352.0
1882-12-01	52699.0
1883-01-01	53112.0
1883-02-01	52575.0
1883-03-01	54695.0
1883-04-01	55968.0
1883-05-01	53456.0
1883-06-01	55729.0
1883-07-01	55241.0
1883-08-01	54588.0
1883-09-01	55658.0
1883-10-01	52453.0
1883-11-01	53583.0
1883-12-01	54350.0
1884-01-01	53021.0
1884-02-01	51408.0
1884-03-01	50630.0
1884-04-01	47889.0
1884-05-01	50098.0
1884-06-01	51255.0
1884-07-01	48218.0
1884-08-01	47663.0
1884-09-01	45722.0
1884-10-01	46771.0
1884-11-01	48740.0
1884-12-01	53584.0
1885-01-01	57528.0
1885-02-01	58653.0
1885-03-01	58751.0
1885-04-01	60910.0
1885-05-01	59761.0
1885-06-01	60633.0
1885-07-01	60170.0
1885-08-01	62036.0
1885-09-01	64025.0
1885-10-01	63333.0
1885-11-01	60509.0
1885-12-01	62330.0
1886-01-01	65620.0
1886-02-01	65656.0
1886-03-01	65519.0
1886-04-01	68397.0
1886-05-01	67743.0
1886-06-01	68964.0
1886-07-01	69717.0
1886-08-01	74044.0
1886-09-01	74044.0
1886-10-01	70366.0
1886-11-01	70314.0
1886-12-01	70885.0
1887-01-01	70885.0
1887-02-01	66692.0
1887-03-01	66692.0
1887-04-01	62913.0
1887-05-01	61342.0
1887-06-01	57061.0
1887-07-01	58209.0
1887-08-01	58527.0
1887-09-01	55077.0
1887-10-01	54323.0
1887-11-01	50536.0
1887-12-01	47377.0
1888-01-01	51175.0
1888-02-01	58904.0
1888-03-01	65797.0
1888-04-01	72071.0
1888-05-01	77825.0
1888-06-01	80912.0
1888-07-01	84461.0
1888-08-01	97105.0
1888-09-01	101644.
1888-10-01	105267.
1888-11-01	109655.
1888-12-01	116598.
1889-01-01	122671.
1889-02-01	132317.
1889-03-01	139861.
1889-04-01	139381.
1889-05-01	131510.
1889-06-01	125092.
1889-07-01	121090.
1889-08-01	118703.
1889-09-01	118373.
1889-10-01	115965.
1889-11-01	111982.
1889-12-01	110709.
1890-01-01	107200.
1890-02-01	106570.
1890-03-01	102971.
1890-04-01	101058.
1890-05-01	91886.0
1890-06-01	81192.0
1890-07-01	81237.0
1890-08-01	78354.0
1890-09-01	78295.0
1890-10-01	76412.0
1890-11-01	73293.0
1890-12-01	73210.0
1891-01-01	67865.0
1891-02-01	66115.0
1891-03-01	65355.0
1891-04-01	66434.0
1891-05-01	64745.0
1891-06-01	64103.0
1891-07-01	64204.0
1891-08-01	65888.0
1891-09-01	66584.0
1891-10-01	66993.0
1891-11-01	64534.0
1891-12-01	63329.0
1892-01-01	64357.0
1892-02-01	63595.0
1892-03-01	60828.0
1892-04-01	60287.0
1892-05-01	60441.0
1892-06-01	63396.0
1892-07-01	66907.0
1892-08-01	66884.0
1892-09-01	65500.0
1892-10-01	62807.0
1892-11-01	59918.0
1892-12-01	62434.0
1893-01-01	65528.0
1893-02-01	64310.0
1893-03-01	60029.0
1893-04-01	56996.0
1893-05-01	54641.0
1893-06-01	54881.0
1893-07-01	55237.0
1893-08-01	53191.0
1893-09-01	53652.0
1893-10-01	52259.0
1893-11-01	51411.0
1893-12-01	52970.0
1894-01-01	51507.0
1894-02-01	51854.0
1894-03-01	50907.0
1894-04-01	51247.0
1894-05-01	52304.0
1894-06-01	54896.0
1894-07-01	57484.0
1894-08-01	58696.0
1894-09-01	58278.0
1894-10-01	59124.0
1894-11-01	58798.0
1894-12-01	61224.0
1895-01-01	61430.0
1895-02-01	61813.0
1895-03-01	59735.0
1895-04-01	60748.0
1895-05-01	60716.0
1895-06-01	65164.0
1895-07-01	64755.0
1895-08-01	62084.0
1895-09-01	59184.0
1895-10-01	56429.0
1895-11-01	50132.0
1895-12-01	51315.0
1896-01-01	51663.0
1896-02-01	48699.0
1896-03-01	44890.0
1896-04-01	43060.0
1896-05-01	41329.0
1896-06-01	40634.0
1896-07-01	38304.0
1896-08-01	39619.0
1896-09-01	38180.0
1896-10-01	39694.0
1896-11-01	38952.0
1896-12-01	39122.0
1897-01-01	36184.0
1897-02-01	34559.0
1897-03-01	37211.0
1897-04-01	36426.0
1897-05-01	36039.0
1897-06-01	36553.0
1897-07-01	38084.0
1897-08-01	37996.0
1897-09-01	37810.0
1897-10-01	38516.0
1897-11-01	37062.0
1897-12-01	35790.0
1898-01-01	33445.0
1898-02-01	32655.0
1898-03-01	31386.0
1898-04-01	32358.0
1898-05-01	31124.0
1898-06-01	31473.0
1898-07-01	33444.0
1898-08-01	31805.0
1898-09-01	30893.0
1898-10-01	28894.0
1898-11-01	30125.0
1898-12-01	31244.0
1899-01-01	29137.0
1899-02-01	27245.0
1899-03-01	31917.0
1899-04-01	29712.0
1899-05-01	33775.0
1899-06-01	32795.0
1899-07-01	36988.0
1899-08-01	36275.0
1899-09-01	31727.0
1899-10-01	30069.0
1899-11-01	28857.0
1899-12-01	25555.0
1900-01-01	23998.0
1900-02-01	25848.0
1900-03-01	27588.0
1900-04-01	30792.0
1900-05-01	32831.0
1900-06-01	32841.0
1900-07-01	32381.0
1900-08-01	33841.0
1900-09-01	32736.0
1900-10-01	32269.0
1900-11-01	32476.0
1900-12-01	32392.0
1901-01-01	32392.0
1901-02-01	32469.0
1901-03-01	31624.0
1901-04-01	30844.0
1901-05-01	30503.0
1901-06-01	30756.0
1901-07-01	30681.0
1901-08-01	28908.0
1901-09-01	27737.0
1901-10-01	23491.0
1901-11-01	23048.0
1901-12-01	24711.0
1902-01-01	26131.0
1902-02-01	28031.0
1902-03-01	31509.0
1902-04-01	30250.0
1902-05-01	27178.0
1902-06-01	26019.0
1902-07-01	23806.0
1902-08-01	22708.0
1902-09-01	19318.0
1902-10-01	18650.0
1902-11-01	18771.0
1902-12-01	18525.0
1903-01-01	16947.0
1903-02-01	15089.0
1903-03-01	16110.0
1903-04-01	17918.0
1903-05-01	17667.0
1903-06-01	17134.0
1903-07-01	16743.0
1903-08-01	17597.0
1903-09-01	17084.0
1903-10-01	16622.0
1903-11-01	14272.0
1903-12-01	15513.0
1904-01-01	15930.0
1904-02-01	14895.0
1904-03-01	13996.0
1904-04-01	13469.0
1904-05-01	12111.0
1904-06-01	12473.0
1904-07-01	14405.0
1904-08-01	15030.0
1904-09-01	15555.0
1904-10-01	15126.0
1904-11-01	17969.0
1904-12-01	18742.0
1905-01-01	17621.0
1905-02-01	19180.0
1905-03-01	18754.0
1905-04-01	20222.0
1905-05-01	19294.0
1905-06-01	20199.0
1905-07-01	19534.0
1905-08-01	20126.0
1905-09-01	18260.0
1905-10-01	17665.0
1905-11-01	15333.0
1905-12-01	14541.0
1906-01-01	12265.0
1906-02-01	10020.0
1906-03-01	10098.0
1906-04-01	10235.0
1906-05-01	11184.0
1906-06-01	13748.0
1906-07-01	14143.0
1906-08-01	13364.0
1906-09-01	13981.0
1906-10-01	14536.0
1906-11-01	15952.0
1906-12-01	18955.0
1907-01-01	15670.0
1907-02-01	15101.0
1907-03-01	16808.0
1907-04-01	14513.0
1907-05-01	13136.0
1907-06-01	13774.0
1907-07-01	14456.0
1907-08-01	15926.0
1907-09-01	13595.0
1907-10-01	14255.0
1907-11-01	17684.0
1907-12-01	22075.0
1908-01-01	23139.0
1908-02-01	23266.0
1908-03-01	26460.0
1908-04-01	29840.0
1908-05-01	31501.0
1908-06-01	42236.0
1908-07-01	47190.0
1908-08-01	50481.0
1908-09-01	56310.0
1908-10-01	57716.0
1908-11-01	58239.0
1908-12-01	62358.0
1909-01-01	59287.0
1909-02-01	58570.0
1909-03-01	57516.0
1909-04-01	57028.0
1909-05-01	63676.0
1909-06-01	75464.0
1909-07-01	85746.0
1909-08-01	98804.0
1909-09-01	105113.
1909-10-01	108205.
1909-11-01	118432.
1909-12-01	122105.
1910-01-01	124105.
1910-02-01	127070.
1910-03-01	124804.
1910-04-01	123432.
1910-05-01	119633.
1910-06-01	116432.
1910-07-01	111148.
1910-08-01	109207.
1910-09-01	105236.
1910-10-01	99033.0
1910-11-01	96600.0
1910-12-01	93853.0
1911-01-01	93176.0
1911-02-01	92273.0
1911-03-01	92139.0
1911-04-01	87436.0
1911-05-01	81327.0
1911-06-01	78593.0
1911-07-01	76188.0
1911-08-01	74944.0
1911-09-01	75421.0
1911-10-01	69256.0
1911-11-01	65724.0
1911-12-01	64157.0
1912-01-01	62238.0
1912-02-01	57688.0
1912-03-01	56196.0
1912-04-01	67079.0
1912-05-01	58901.0
1912-06-01	53915.0
1912-07-01	56643.0
1912-08-01	56372.0
1912-09-01	53698.0
1912-10-01	51902.0
1912-11-01	48475.0
1912-12-01	48430.0
1913-01-01	48273.0
1913-02-01	50034.0
1913-03-01	50483.0
1913-04-01	49087.0
1913-05-01	45009.0
1913-06-01	42780.0
1913-07-01	39902.0
1913-08-01	39138.0
1913-09-01	31157.0
1913-10-01	28926.0
1913-11-01	29968.0
1913-12-01	33062.0
1914-01-01	29057.0
1914-02-01	30187.0
1914-03-01	29264.0
1914-04-01	32791.0
1914-05-01	36257.0
1914-06-01	37264.0
1914-07-01	37645.0
1914-08-01	38983.0
1914-09-01	38745.0
1914-10-01	40954.0
1914-11-01	40039.0
1914-12-01	39684.0
1915-01-01	39340.0
1915-02-01	39500.0
1915-03-01	32543.0
1915-04-01	35265.0
1915-05-01	38181.0
1915-06-01	42606.0
1915-07-01	45064.0
1915-08-01	43945.0
1915-09-01	38199.0
1915-10-01	33609.0
1915-11-01	29196.0
1915-12-01	28072.0
1916-01-01	25364.0
1916-02-01	24342.0
1916-03-01	19265.0
1916-05-01	21151.0
1916-06-01	21225.0
1916-07-01	18775.0
1916-08-01	18633.0
1916-09-01	17353.0
1916-10-01	17059.0
1916-11-01	18955.0