Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1922 0 0 0 1.17 1.17
1923 0 0 0 1.17 1.17
1924 0 0 0 3.48 3.48
1925 0 0 0 4.62 4.62
1926 0 0 0 3.45 3.45
1927 0 0 0 4.57 4.57
1928 0 0 0 5.68 5.68
1929 0 0 0 6.77 6.77
1930 0 0 0 5.61 5.61
1931 0 0 0 4.46 4.46
1932 0 0 0 3.33 3.33
1933 0 0 0 4.41 4.41
1934 0 0 0 4.38 4.38
1935 0 0 0 13.1 13.1
1936 0 0 0 18.4 18.4
1937 0 0 0 30.1 30.1
1938 0 0 0 39.6 39.6
1939 0 0 0 32.9 32.9
1940 0 0 0 9.5 9.5
1941 0 0 0 0.105 0.105
1942 0 0 0 0.103 0.103
1943 0 0 0 0.102 0.102
1944 0 0 0 0.101 0.101
1945 0 0 0 1 1
1946 0 0 0 7.93 7.93
1947 0 0 0 11.8 11.8
1948 0 0 0 15.5 15.5
1949 0 0 0 19.2 19.2
1950 0.0251 0 0 15.2 15.2
1951 0.0141 0 0 16.9 16.9
1952 0.0415 0 0 18.5 18.6
1953 0.026 0 0 20.1 20.2
1954 0.0254 0 0 24.4 24.5
1955 0.0135 0 0 21.5 21.5
1956 0.0439 0 0 31.8 31.8
1957 0.015 0 0 34.9 34.9
1958 0.014 0 0 28.4 28.4
1959 0.0134 0 0 30.6 30.6
1960 0 0 0 30.2 30.2
1961 0 0 0 24 24
1962 0 0 0 20.4 20.4
1963 0 0 0 21 21
1964 0 0 0 13.5 13.5
1965 0 0 0 16.4 16.4
1966 0.0132 0 0 19.3 19.3
1967 0 0 0 11.4 11.4
1968 0 0 0 16.5 16.5
1969 0 0 0 14 14
1970 0 0 0 12.3 12.3
1971 0 0 0 11.4 11.4
1972 0.0124 0 3.4 11.3 14.7
1973 0 0 3.66 9.69 13.3
1974 0 0 3.08 8.16 11.2
1975 0 0 2.13 6.69 8.82
1976 0 0 2.17 5.2 7.37
1977 0 0 2.49 4.39 6.89
1978 0 0 2.58 2.97 5.55
1979 0 0 3.13 0.748 3.88
1980 0 0 3.75 0.0496 3.8
1981 0 0 2.97 0.121 3.1
1982 0 0 2.74 0.482 3.22
1983 0 0 2.56 0.563 3.12
1984 0.599 0 2.65 0.644 3.9
1985 0.847 0 2.09 0.722 3.65
1986 0.615 0 2.5 0.8 3.92
1987 1.65 0 2.89 0.876 5.42
1988 1.02 0 3.31 0.951 5.28
1989 1.15 0 3.11 1.02 5.28
1990 1.09 0 2.79 0 3.89