Month	Number Of Furnaces
1893-04-01	225.000
1893-05-01	213.000
1893-06-01	239.000
1893-07-01	251.000
1893-08-01	219.000
1893-09-01	198.000
1893-10-01	198.000
1893-11-01	191.000
1893-12-01	218.000
1894-01-01	265.000
1894-02-01	285.000
1894-03-01	288.000
1894-04-01	299.000
1894-05-01	308.000
1894-06-01	291.000
1894-07-01	264.000
1894-08-01	268.000
1894-09-01	261.000
1894-10-01	296.000
1894-11-01	306.000
1894-12-01	309.000
1895-01-01	308.000
1895-02-01	304.000
1895-03-01	299.000
1895-04-01	301.000
1895-05-01	305.000
1895-06-01	299.000
1895-07-01	303.000
1895-08-01	310.000
1895-09-01	317.000
1895-10-01	327.000
1895-11-01	329.000
1895-12-01	331.000
1896-01-01	335.000
1896-02-01	343.000
1896-03-01	347.000
1896-04-01	351.000
1896-05-01	350.000
1896-06-01	347.000
1896-07-01	346.000
1896-08-01	343.000
1896-09-01	345.000
1896-10-01	344.000
1896-11-01	344.000
1896-12-01	345.000
1897-01-01	348.000
1897-02-01	352.000
1897-03-01	351.000
1897-04-01	350.000
1897-05-01	352.000
1897-06-01	347.000
1897-07-01	344.000
1897-08-01	346.000
1897-09-01	346.000
1897-10-01	350.000
1897-11-01	349.000
1897-12-01	351.000
1898-01-01	354.000
1898-02-01	355.000
1898-03-01	353.000
1898-04-01	340.000
1898-05-01	346.000
1898-06-01	346.000
1898-07-01	343.000
1898-08-01	341.000
1898-09-01	356.000
1898-10-01	359.000
1898-11-01	363.000
1898-12-01	368.000
1899-01-01	372.000
1899-02-01	376.000
1899-03-01	380.000
1899-04-01	380.000
1899-05-01	381.000
1899-06-01	379.000
1899-07-01	378.000
1899-08-01	382.000
1899-09-01	380.000
1899-10-01	383.000
1899-11-01	377.000
1899-12-01	379.000
1900-01-01	381.000
1900-02-01	383.000
1900-03-01	379.000
1900-04-01	382.000
1900-05-01	380.000
1900-06-01	383.000
1900-07-01	376.000
1900-08-01	371.000
1900-09-01	360.000
1900-10-01	344.000
1900-11-01	342.000
1900-12-01	326.000
1901-01-01	309.000
1901-02-01	290.000
1901-03-01	291.000
1901-04-01	273.000
1901-05-01	303.000
1901-06-01	310.000
1901-07-01	312.000
1901-08-01	317.000
1901-09-01	325.000
1901-10-01	319.000
1901-11-01	321.000
1901-12-01	324.000
1902-01-01	321.000
1902-02-01	320.000
1902-03-01	320.000
1902-04-01	320.000
1902-05-01	323.000
1902-06-01	323.000
1902-07-01	325.000
1902-08-01	328.000
1902-09-01	325.000
1902-10-01	324.000
1902-11-01	324.000
1902-12-01	317.000
1903-01-01	328.000
1903-02-01	330.000
1903-03-01	328.000
1903-04-01	328.000
1903-05-01	325.000
1903-06-01	321.000
1903-07-01	321.000
1903-08-01	322.000
1903-09-01	315.000
1903-10-01	315.000
1903-11-01	314.000
1903-12-01	301.000
1904-01-01	292.000
1904-02-01	301.000
1904-03-01	303.000
1904-04-01	303.000
1904-05-01	308.000
1904-06-01	306.000
1904-07-01	301.000
1904-08-01	299.000
1904-09-01	302.000
1904-10-01	304.000
1904-11-01	304.000
1904-12-01	302.000
1905-01-01	306.000
1905-02-01	312.000
1905-03-01	316.000
1905-04-01	318.000
1905-05-01	322.000
1905-06-01	323.000
1905-07-01	321.000
1905-08-01	324.000
1905-09-01	325.000
1905-10-01	331.000
1905-11-01	334.000
1905-12-01	335.000
1906-01-01	335.000
1906-02-01	339.000
1906-03-01	338.000
1906-04-01	341.000
1906-05-01	342.000
1906-06-01	338.000
1906-07-01	338.000
1906-08-01	337.000
1906-09-01	341.000
1906-10-01	344.000
1906-11-01	342.000
1906-12-01	340.000
1907-01-01	343.000
1907-02-01	343.000
1907-03-01	348.000
1907-04-01	349.000
1907-05-01	346.000
1907-06-01	347.000
1907-07-01	347.000
1907-08-01	346.000
1907-09-01	343.000
1907-10-01	335.000
1907-11-01	329.000
1907-12-01	305.000
1908-01-01	306.000
1908-02-01	300.000
1908-03-01	290.000
1908-04-01	293.000
1908-05-01	287.000
1908-06-01	282.000
1908-07-01	267.000
1908-08-01	270.000
1908-09-01	277.000
1908-10-01	287.000
1908-11-01	289.000
1908-12-01	290.000
1909-01-01	284.000
1909-02-01	283.000
1909-03-01	287.000
1909-04-01	280.000
1909-05-01	287.000
1909-06-01	291.000
1909-07-01	285.000
1909-08-01	293.000
1909-09-01	297.000
1909-10-01	297.000
1909-11-01	302.000
1909-12-01	300.000
1910-01-01	301.000
1910-02-01	305.000
1910-03-01	304.000
1910-04-01	310.000
1910-05-01	311.000
1910-06-01	312.000
1910-07-01	312.000
1910-08-01	312.000
1910-09-01	309.000
1910-10-01	310.000
1910-11-01	309.000
1910-12-01	305.000
1911-01-01	307.000
1911-02-01	308.000
1911-03-01	312.000
1911-04-01	301.000
1911-05-01	288.000
1911-06-01	288.000
1911-07-01	288.000
1911-08-01	283.000
1911-09-01	285.000
1911-10-01	283.000
1911-11-01	293.000
1911-12-01	297.000
1912-01-01	298.000
1912-02-01	284.000
1912-03-01	38.0000
1912-04-01	209.000
1912-05-01	271.000
1912-06-01	306.000
1912-07-01	318.000
1912-08-01	321.000
1912-09-01	326.000
1912-10-01	327.000
1912-11-01	331.000
1912-12-01	327.000
1913-01-01	334.000
1913-02-01	332.000
1913-03-01	336.000
1913-04-01	336.000
1913-05-01	332.000
1913-06-01	328.000
1913-07-01	319.000
1913-08-01	322.000
1913-09-01	307.000
1913-10-01	301.000
1913-11-01	293.000
1913-12-01	271.000
1914-01-01	273.000
1914-02-01	275.000
1914-03-01	277.000
1914-04-01	268.000
1914-05-01	268.000
1914-06-01	265.000
1914-07-01	255.000
1914-08-01	256.000
1914-09-01	264.000
1914-10-01	270.000
1914-11-01	271.000
1914-12-01	266.000
1915-01-01	269.000
1915-02-01	274.000
1915-03-01	273.000
1915-04-01	272.000
1915-05-01	271.000
1915-06-01	270.000
1915-07-01	264.000
1915-08-01	267.000
1915-09-01	268.000
1915-10-01	266.000
1915-11-01	265.000
1915-12-01	261.000
1916-01-01	265.000
1916-02-01	265.000
1916-03-01	264.000
1916-04-01	269.000
1916-05-01	270.000
1916-06-01	274.000
1916-07-01	276.000
1916-08-01	278.000
1916-09-01	284.000
1916-10-01	287.000
1916-11-01	289.000
1916-12-01	289.000
1917-01-01	292.000
1917-02-01	290.000
1917-03-01	296.000
1917-04-01	296.000
1917-05-01	298.000
1917-06-01	297.000
1917-07-01	293.000
1917-08-01	288.000
1917-09-01	294.000
1917-10-01	296.000
1917-11-01	299.000
1917-12-01	295.000
1918-01-01	294.000
1918-02-01	295.000
1918-03-01	295.000
1918-04-01	297.000
1918-05-01	294.000
1918-06-01	300.000
1918-07-01	293.000
1918-08-01	295.000
1918-09-01	292.000
1918-10-01	293.000
1918-11-01	291.000
1918-12-01	268.000
1919-01-01	279.000
1919-02-01	276.000
1919-03-01	267.000
1919-04-01	269.000
1919-05-01	263.000
1919-06-01	270.000
1919-07-01	231.000
1919-08-01	235.000
1919-10-01	236.000
1919-11-01	241.000
1919-12-01	236.000
1920-01-01	249.000
1920-02-01	255.000
1920-03-01	260.000
1920-04-01	273.000
1920-05-01	274.000
1920-06-01	271.000
1920-07-01	271.000
1920-08-01	278.000
1920-09-01	270.000
1920-10-01	60.0000
1920-11-01	235.000
1920-12-01	248.000
1921-01-01	229.000
1921-02-01	175.000
1921-03-01	111.000
1921-04-01	11.0000
1921-05-01	1.00000
1921-06-01	1.00000
1921-07-01	14.0000
1921-08-01	42.0000