Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1970 0 0 3.79 0 3.79
1971 0 0 7.47 0 7.47
1972 0 0 8.89 0 8.89
1973 0 0 8.79 0 8.79
1974 0 0 7.66 0 7.66
1975 0 0 6.89 0 6.89
1976 0 0 8.28 0 8.28
1977 0 0 8.93 0 8.93
1978 0 0 8.56 0 8.56
1979 0 0 9.01 0 9.01
1980 0 0 9.93 0 9.93
1981 0 0 9.33 0 9.33
1982 0 0 8.56 0 8.56
1983 0 0 6.61 0 6.61