Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1950 0.792 0 0 0 0.792
1951 2.31 0 0 0 2.31
1952 2.06 0 0 0 2.06
1953 1.29 0 0 0 1.29
1954 1.38 0 0 0 1.38
1955 1.66 0 0 0 1.66
1956 1.29 0 0 0 1.29
1957 1.67 0 0 0 1.67
1958 1.5 0 0 0 1.5
1959 1.07 0 0 0 1.07
1960 0.504 0 0 0 0.504
1961 0.708 0 0 0 0.708
1962 0.384 0 0 0 0.384
1963 0.579 0 1.55 0 2.13
1964 0.61 0 5.61 0 6.22
1965 0.362 0 5.17 0 5.53
1966 0.7 0 4.25 0 4.95
1967 0.378 0 4.64 0 5.02
1968 0.294 0 4.68 0 4.97
1969 0.232 0 4.46 0 4.69
1970 0.422 0 5.06 0 5.48
1971 0.138 0 5.17 0 5.31
1972 0 0 6.74 0 6.74
1973 0.215 0 5.96 0 6.18
1974 0.0721 0 6.76 0 6.83
1975 0.123 0 6.88 0 7
1976 0.132 0 5.83 0 5.96
1977 0.0233 0 9.02 0 9.04
1978 0.022 0 5.86 0 5.88
1979 0.0238 0 6.51 0 6.53
1980 0.0254 0 6.58 0 6.6
1981 0.0267 0 7.12 0 7.15
1982 0.026 0 5.91 0 5.94
1983 0.0237 0 5.24 0 5.26
1984 0.023 0 3.69 0 3.71
1985 0.0229 0 4.38 0 4.4
1986 0.0224 0 4 0 4.02
1987 0.0328 0 4.46 0 4.5
1988 0.0335 0 4.73 0 4.77
1989 0.0338 0 4.64 0 4.67
1990 0.0338 0 4.55 0 4.58