Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1954 0 0 19.3 0 19.3
1955 0 0 56.4 0 56.4
1956 0 0 56.5 0 56.5
1957 0 0 49.1 0 49.1
1958 0 0 39.8 0 39.8
1959 0 0 42.9 0 42.9
1960 0 0 40.9 0 40.9
1961 0 0 47.5 0 47.5
1962 0 0 51.6 0 51.6
1963 0 0 51.2 0 51.2
1964 0 0 51.4 0 51.4
1965 0 0 48.3 0 48.3
1966 0 0 45.5 0 45.5
1967 0 0 39.4 0 39.4
1968 0 0 32.1 0 32.1
1969 0 0 39 0 39
1970 0 0 40.7 0 40.7
1971 0 0 21.5 0 21.5
1972 0 0 18.7 0 18.7
1973 0 0 17.4 0 17.4
1974 0 0 16.5 0 16.5
1975 0 0 9.27 0 9.27
1976 0 0 8.77 0 8.77
1977 0 0 11.5 0 11.5
1978 0 0 11 0 11
1979 0 0 11.4 0 11.4
1980 0 0 17.6 0 17.6
1981 0 0 15.6 0 15.6
1982 0 0 18.3 0 18.3
1983 0 0 16.5 0 16.5
1984 0 0 16.2 0 16.2
1985 0 0 15.9 0 15.9
1986 0 0 14.8 0 14.8
1987 0 0 16 0 16
1988 0 0 17.2 0 17.2
1989 0 0 16 0 16
1990 0 0 17 0 17