Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1949 0.0233 0 0 0 0.0233
1950 0.0373 0 0 0 0.0373
1951 0.0467 0 0 0 0.0467
1952 0.056 0 0 0 0.056
1953 0.0654 0 0 0 0.0654
1954 0.0748 0 0 0 0.0748
1955 0.108 0 0 0 0.108
1956 0.108 0 0 0 0.108
1957 0.136 0 0 0 0.136
1958 0.159 0 0 0 0.159
1959 0.192 0 0 0 0.192
1960 0.225 0 0 0 0.225
1961 0.309 0 0 0 0.309
1962 0.525 0 0 0 0.525
1963 0.464 0 0 0 0.464
1964 0.53 0 0 0 0.53
1965 0.676 0 0 0 0.676
1966 0.76 0 0 0 0.76
1967 0.709 0 0 0 0.709
1968 0.587 0 0 0 0.587
1969 0.644 0 0 0 0.644
1970 0.771 0 0 0 0.771
1971 0.635 0 0 0 0.635
1972 0.346 0 0 0 0.346
1973 0.55 0 0 0 0.55
1974 0.541 0 0 0 0.541
1975 0.706 0 0 0 0.706
1976 0.754 0 0 0 0.754
1977 0.801 0 0 0 0.801
1978 1.02 0 0 0 1.02
1979 0.622 0 0 0 0.622
1980 0.561 0 0 0 0.561
1981 0.59 0 0 0 0.59
1982 0.684 0 0 0 0.684
1983 0.685 0 0 0 0.685
1984 0.699 0 0 0 0.699
1985 0.713 0 0 0 0.713
1986 0.756 0 0 2.92 3.67
1987 0.79 0 0 2.89 3.68
1988 0.653 0 0 2.87 3.52
1989 0.686 0 0 2.84 3.53
1990 0.677 0 0 2.82 3.5