Year    H.Coal    B.Coal       Oil    Smelting   Total
                kt/a      kt/a      kt/a      kt/a      kt/a

      1950     0.528         0         0         0     0.528
      1951     0.269         0         0         0     0.269
      1952     0.373         0         0         0     0.373
      1953     0.156         0         0     0.458     0.614
      1954     0.254         0         0      0.69     0.944
      1955     0.337         0         0     0.916      1.25
      1956     0.629         0         0      1.14      1.77
      1957      0.57         0         0      1.35      1.92
      1958     0.505         0         0      1.56      2.07
      1959     0.495         0         0      1.77      2.26
      1960     0.531         0         0      1.96      2.49
      1961     0.472         0         0      2.15      2.63
      1962     0.569         0         0       1.8      2.37
      1963     0.565         0      1.77      1.77       4.1
      1964     0.447         0      11.2      1.67      13.3
      1965     0.725         0      12.7      1.57        15
      1966     0.621         0      12.1     0.617      13.3
      1967     0.638         0      13.1     0.342      14.1
      1968     0.512         0      12.8     0.162      13.4
      1969       0.4         0      12.8    0.0737      13.2
      1970      1.08         0      13.2    0.0726      14.3
      1971      1.02         0      14.6    0.0715      15.7
      1972     0.483         0      13.8    0.0703      14.4
      1973     0.837         0      15.2    0.0692      16.1
      1974     0.793         0      17.1     0.068        18
      1975     0.539         0      16.9    0.0669      17.5
      1976     0.745         0      13.7         0      14.4
      1977     0.722         0      16.1         0      16.8
      1978      0.55         0      15.4         0        16
      1979      0.19         0      14.4         0      14.6
      1980     0.216         0      19.7         0      19.9
      1981       1.2         0      16.2         0      17.4
      1982     0.416         0      11.6         0      12.1
      1983      1.08         0      9.16         0      10.2
      1984      1.36         0      9.21         0      10.6
      1985     0.984         0      8.87         0      9.85
      1986     0.951         0      8.96    0.0437      9.95
      1987     0.994         0        10    0.0362        11
      1988      1.26         0      9.56     0.043      10.9
      1989      1.48         0       9.6    0.0398      11.1
      1990       1.7         0      9.75    0.0367      11.5