Year Number Of Ovens 1893 12.0000 1894 12.0000 1895 72.0000 1896 160.000 1897 280.000 1898 520.000 1899 1020.00 1900 1085.00 1901 1165.00 1902 1663.00 1903 1956.00 1904 2910.00 1905 3103.00 1906 3547.00 1907 3684.00 1908 3799.00 1909 3989.00 1910 4078.00 1911 4624.00 1912 5211.00 1913 5688.00 1914 5809.00 1915 6268.00 1916 7283.00 1917 7869.00 1918 9279.00 1919 10379.0 1920 10881.0 1921 11142.0 1922 11212.0 1923 11156.0 1924 11413.0 1925 11290.0 1926 11716.0 1927 12475.0 1928 12544.0 1929 12649.0 1930 12831.0 1931 13108.0 1932 13053.0 1933 13053.0 1934 12963.0 1935 12860.0 1936 12849.0 1937 12718.0 1938 12724.0 1939 12732.0 1940 12734.0 1941 13016.0 1942 13303.0 1943 14253.0 1944 14580.0 1945 14510.0 1946 14494.0 1947 14728.0 1948 15139.0 1949 15104.0 1950 14982.0 1951 15319.0 1952 15608.0 1953 15989.0 1954 15891.0 1955 16039.0 1956 15923.0 1957 15897.0 1958 16244.0 1959 15993.0 1960 15323.0