Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1950 0.503 0 0 0 0.503
1951 0.198 0 0 0 0.198
1952 0.567 0 0 0 0.567
1953 0.428 0 0 0 0.428
1954 0.203 0 0 0 0.203
1955 0.418 0 0 0 0.418
1956 0.351 0 0 0 0.351
1957 0.39 0 0 0 0.39
1958 0.435 0 0 0 0.435
1959 0.214 0 0 0 0.214
1960 0.146 0 0 0 0.146
1961 0.144 0 0 0 0.144
1962 0.212 0 0 0 0.212
1963 0.0689 0 0 0 0.0689
1965 0.0537 0 0 0 0.0537
1969 0 0 1.93 0 1.93
1970 0 0 1.97 0 1.97
1971 0 0 1.73 0 1.73
1972 0 0 1.67 0 1.67
1973 0 0 1.13 0 1.13
1974 0 0 1.13 0 1.13
1975 0 0 1.2 0 1.2
1976 0 0 1.04 0 1.04
1977 0 0 0.968 0 0.968
1978 0 0 1.24 0 1.24
1979 0 0 1.23 0 1.23
1980 0 0 1.12 0 1.12
1981 0 0 1.31 0 1.31
1982 0 0 1.16 0 1.16
1983 0 0 1.19 0 1.19
1984 0 0 1.26 0 1.26
1985 0 0 1.2 0 1.2
1986 0 0 1.24 0 1.24
1987 0 0 1.31 0 1.31
1988 0 0 1.34 0 1.34
1989 0 0 1.31 0 1.31
1990 0 0 1.29 0 1.29