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

      1950    0.0251         0     0.072         0    0.0971
      1951    0.0283         0    0.0873         0     0.116
      1952    0.0138         0    0.0852         0    0.0991
      1953     0.013         0     0.127         0      0.14
      1954    0.0127         0     0.122         0     0.135
      1955    0.0135         0    0.0781         0    0.0915
      1956    0.0146         0    0.0971         0     0.112
      1957     0.015         0    0.0766         0    0.0916
      1958     0.014         0    0.0637         0    0.0777
      1959    0.0134         0    0.0918         0     0.105
      1960    0.0133         0     0.105         0     0.119
      1961    0.0131         0     0.212         0     0.225
      1962    0.0132         0     0.139         0     0.152
      1963         0         0      0.24         0      0.24
      1964         0         0     0.187         0     0.187
      1965         0         0     0.276         0     0.276
      1966    0.0132         0     0.537         0      0.55
      1967     0.013         0     0.825         0     0.838
      1968         0         0      0.81         0      0.81
      1969         0         0     0.697         0     0.697
      1970         0         0     0.722         0     0.722
      1971         0         0     0.775         0     0.775
      1972         0         0     0.779         0     0.779
      1973         0         0     0.874         0     0.874
      1974         0         0     0.862         0     0.862
      1975         0         0     0.888         0     0.888
      1976         0         0     0.801         0     0.801
      1977         0         0     0.852         0     0.852
      1978         0         0     0.968         0     0.968
      1979         0         0      1.03         0      1.03
      1980         0         0      1.07         0      1.07
      1981         0         0      1.24         0      1.24
      1982         0         0     0.979         0     0.979
      1983         0         0     0.811         0     0.811
      1984         0         0     0.955         0     0.955
      1985         0         0      0.94         0      0.94
      1986         0         0      1.07         0      1.07
      1987         0         0      1.15         0      1.15
      1988         0         0      1.18         0      1.18
      1989         0         0      1.19         0      1.19
      1990         0         0      1.25         0      1.25