Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1950 0.679 0 0 0 0.679
1951 0.863 0 0 0 0.863
1952 0.65 0 0 0 0.65
1953 0.883 0 0 0 0.883
1954 0.356 0 0 0 0.356
1955 0.634 0 0 0 0.634
1956 0.41 0 0 0 0.41
1957 0.495 0 0 0 0.495
1958 0.673 0 0 0 0.673
1959 0.428 0 0 0 0.428
1960 0.133 0 0 0 0.133
1961 0.21 0 0 0 0.21
1962 0.106 0 0 0 0.106
1963 0.248 0 0 0 0.248
1964 0 0 0.935 0 0.935
1965 0.0805 0 4.14 0 4.22
1966 0.0132 0 5.37 0 5.38
1967 0.0261 0 5.79 0 5.81
1968 0.0128 0 4.16 0 4.17
1969 0 0 3.85 0 3.85
1970 0.0132 0 5.08 0 5.09
1971 0 0 5.54 0 5.54
1972 0 0 6.03 0 6.03
1973 0.012 0 6.5 0 6.51
1974 0 0 6.5 0 6.5
1975 0 0 6.87 0 6.87
1976 0 0 6.09 0 6.09
1977 0 0 6.64 0 6.64
1978 0 0 6.72 0 6.72
1979 0 0 6.35 0 6.35
1980 0 0 6.89 0 6.89
1981 0 0 7.4 0 7.4
1982 0 0 6.19 0 6.19
1983 0 0 5.55 0 5.55
1984 0 0 5.47 0 5.47
1985 0 0 4.9 0 4.9
1986 0 0 4.52 0 4.52
1987 0 0 4.77 0 4.77
1988 0 0 4.79 0 4.79
1989 0 0 4.69 0 4.69
1990 0 0 4.59 0 4.59