Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1964 0.136 0 0 0 0.136
1965 0.161 0 0 0 0.161
1966 0.172 0 0 0 0.172
1967 0.248 0 0 0 0.248
1968 0.294 0 0 0 0.294
1969 0.309 0 0 0 0.309
1970 0.132 0 0 0 0.132
1971 0.151 0 0 0 0.151
1972 0.297 0 0 0 0.297
1973 0.933 0 0 0 0.933
1974 0.961 0 0 0 0.961
1975 0.576 0 0 0 0.576
1976 0.0962 0 0 0 0.0962
1977 0.233 0 0 0 0.233
1978 0.176 0 0 0 0.176
1979 0.857 0 0 0 0.857
1980 0.989 0 0 0 0.989
1981 0.52 0 0 0 0.52
1982 0.533 0 0 0 0.533
1983 0.499 0 0 0 0.499
1984 1.16 0 0 0 1.16
1985 0.915 0 0 0 0.915
1986 0.593 0 0 0 0.593
1987 0.951 0 0 0 0.951
1988 0.993 0 0 0 0.993
1989 0.914 0 0 0 0.914
1990 0.394 0 0 0 0.394