Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1953 0 0 0 0.0801 0.0801
1954 0 0 0 0.115 0.115
1955 0 0 0 0.148 0.148
1956 0 0 0 0.181 0.181
1957 0 0 0 0.213 0.213
1958 0 0 0 0.244 0.244
1959 0 0 0 0.274 0.274
1960 0 0 0 0.303 0.303
1961 0 0 0 0.971 0.971
1962 0 0 0 0.847 0.847
1963 0 0 0 0.923 0.923
1964 0 0 0 0.708 0.708
1965 0 0 0 1.11 1.11
1966 0 0 0 0.915 0.915
1967 0 0 0 1 1
1968 0 0 2.21 1.13 3.34
1969 0 0 3.35 1.46 4.81
1970 0 0 4.2 1.6 5.79
1971 0 0 3.96 1.74 5.7
1972 0 0 3.48 1.89 5.37
1973 0 0 3.8 2.04 5.84
1974 0 0 3.73 2.19 5.92
1975 0 0 4.18 2.34 6.52
1976 0 0 2.72 2.74 5.46
1977 0 0 3 3 6
1978 0 0 2.73 2.81 5.54
1979 0 0 2.98 2.57 5.56
1980 0 0 3.39 2.56 5.95
1981 0 0 1.6 3.88 5.48
1982 0 0 0.554 5.25 5.8
1983 0 0 1.63 7.21 8.84
1984 0 0 1.26 7.95 9.21
1985 0 0 1.21 8.57 9.78
1986 0 0 1.23 6.37 7.61
1987 0 0 1.22 2.25 3.47
1988 0 0 1.24 3.85 5.09
1989 0 0 1.23 5.77 7
1990 0 0 1.19 4.16 5.35