Year	Number Of Ovens
1880	12372.0
1881	14119.0
1882	16356.0
1883	18304.0
1884	19557.0
1885	20116.0
1886	22597.0
1887	26001.0
1888	30059.0
1889	34165.0
1890	37158.0
1891	40057.0
1892	42002.0
1893	44189.0
1894	44760.0
1895	45493.0
1896	46784.0
1897	47388.0
1898	47863.0
1899	48583.0
1900	57399.0
1901	62786.0
1902	67406.0
1903	77378.0
1904	80689.0
1905	84405.0
1906	90354.0
1907	95996.0
1908	97419.0
1909	99993.0
1910	100362.
1911	99255.0
1912	97019.0
1913	96962.0
1914	93946.0
1915	93110.0
1916	91581.0
1917	88027.0
1918	84635.0
1919	82560.0
1920	75298.0
1921	66014.0
1922	63958.0
1923	62349.0
1924	60432.0
1925	57587.0
1926	52558.0
1927	49795.0
1928	41288.0
1929	30082.0
1930	23907.0
1931	21588.0
1932	19440.0
1933	16857.0
1934	14206.0
1935	13674.0
1936	13012.0
1937	12194.0
1938	10816.0
1939	10934.0
1940	15150.0
1941	18669.0
1942	16295.0
1943	17666.0
1944	16318.0
1945	12179.0
1946	12864.0
1947	13443.0
1948	14078.0
1949	13662.0
1950	17708.0
1951	20458.0
1952	17551.0
1953	15092.0
1954	12216.0
1955	10104.0
1956	9549.00
1957	9519.00
1958	8682.00
1959	7448.00
1960	7583.00