Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1951 0.0566 0 0 0 0.0566
1952 0.138 0 0 0 0.138
1953 0.039 0 0 0 0.039
1954 0.0508 0 0 0 0.0508
1955 0.0135 0 0 0 0.0135
1956 0.0293 0 0 0 0.0293
1957 0.015 0 0 0 0.015
1958 0.014 0 0 0 0.014
1959 0.0134 0 0 0 0.0134
1960 0.0133 0 0 0 0.0133
1966 0 0 3.27 0 3.27
1967 0 0 19.5 0 19.5
1968 0 0 37.7 0 37.7
1969 0 0 51.8 0 51.8
1970 0 0 85.9 0 85.9
1971 0 0 103 0 103
1972 0 0 104 0 104
1973 0 0 141 0 141
1974 0 0 149 0 149
1975 0 0 148 0 148
1976 0 0 150 0 150
1977 0 0 170 0 170
1978 0 0 169 0 169
1979 0 0 157 0 157
1980 0 0 175 0 175
1981 0 0 139 0 139
1982 0 0 111 0 111
1983 0 0 76.3 0 76.3
1984 0 0 76.5 0 76.5
1985 0 0 63.1 0 63.1
1986 0 0 61.4 0 61.4
1987 0 0 75.8 0 75.8
1988 0 0 65 0 65
1989 0 0 80.1 0 80.1
1990 0 0 74.7 0 74.7