Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1957 1.12 0 2.94 0 4.06
1958 0.0421 0 1.76 0 1.8
1959 0.174 0 1.01 0 1.18
1960 0.034 0 1.06 0 1.09
1961 0.0584 0 6.14 0 6.19
1962 0.119 0 18.6 0 18.8
1963 0.0551 0 20.8 0 20.9
1964 0.0678 0 17.5 0 17.5
1965 0.0268 0 18.3 0 18.3
1966 0.0529 0 24 0 24
1967 0 0 37.1 0 37.1
1968 0.0512 0 58.6 0 58.7
1969 0 0 57.4 0 57.4
1970 0 0 65.5 0 65.5
1971 0.0193 0.0152 88 0 88
1972 0 0.00859 109 0 109
1973 0 0.00795 125 0 125
1974 0 0.0241 154 0 154
1975 0 0.0183 125 0 125
1976 0 0 129 0 129
1977 0 0.00881 170 0 170
1978 0 0.0195 190 0 190
1979 0.0119 0.00448 201 0 201
1980 0 0.0197 196 0 196
1981 0.0133 0.0333 224 0 224
1982 0 0.0226 207 0 207
1983 0 0.033 184 0 184
1984 0.0115 0.0153 170 0 170
1985 0 0.0322 144 0 144
1986 0 0.0166 157 0 157
1987 0 0.0141 155 0 155
1988 0 0.0143 154 0 154
1989 0 0.0271 167 0 167
1990 0.0113 0.0274 191 0 191