Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1950 0.616 0 0 0 0.616
1951 0.354 0 0 0 0.354
1952 0.373 0 0 0 0.373
1953 0.364 0 0 0 0.364
1954 0.343 0 0 0 0.343
1955 0.135 0 0 0 0.135
1956 0.293 0 0 0 0.293
1957 0.255 0 0 0 0.255
1958 0.266 0 0 0 0.266
1959 0.187 0 0 0 0.187
1960 0.0398 0 0 0 0.0398
1961 0.0787 0 0 0 0.0787
1962 0.0397 0 0 0 0.0397
1963 0.0276 0 0 0 0.0276
1964 0.0271 0 0 0 0.0271
1965 0.0268 0 0 0 0.0268
1966 0.0396 0 0 0 0.0396
1968 0.0128 0 0 0 0.0128
1969 0.0129 0 0 0 0.0129
1971 0.0125 0 0 0 0.0125
1972 0.0124 0 0 0 0.0124
1973 0.012 0 0 0 0.012
1974 0.012 0 0 0 0.012
1976 0.012 0 0 0 0.012
1977 0.0116 0 0 0 0.0116
1978 0.011 0 0 0 0.011
1979 0.0119 0 0 0 0.0119
1980 0.0127 0 0 0 0.0127
1982 0.013 0 0 0 0.013
1983 0.178 0 0 0 0.178
1984 0.288 0 0 0 0.288
1985 0.309 0 0 0 0.309
1986 0.626 0 0 0 0.626
1987 0.328 0 0 0 0.328
1988 0.446 0 0 0 0.446
1989 0.846 0 0 0 0.846
1990 0.9 0 0 0 0.9