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

      1950      3.78         0         0         0      3.78
      1951      3.96         0         0         0      3.96
      1952      4.26         0         0         0      4.26
      1953      2.68         0         0         0      2.68
      1954      2.61         0         0         0      2.61
      1955      3.36         0         0         0      3.36
      1956       5.3         0         0         0       5.3
      1957      3.68         0         0         0      3.68
      1958      2.83         0         0         0      2.83
      1959      2.78         0         0         0      2.78
      1960         3         0         0         0         3
      1961      3.16         0         0         0      3.16
      1962      2.87         0         0         0      2.87
      1963      2.64         0         0         0      2.64
      1964      2.38         0         0         0      2.38
      1965      2.32         0         0         0      2.32
      1966      1.96         0         0         0      1.96
      1967      1.51         0         0         0      1.51
      1968      1.01         0         0         0      1.01
      1969      0.58         0         0         0      0.58
      1970     0.303         0         0         0     0.303
      1971     0.376         0         0         0     0.376
      1972      0.26         0         0         0      0.26
      1973      0.22         0         0         0      0.22
      1974     0.132         0         0         0     0.132
      1975     0.118         0         0         0     0.118
      1976     0.156         0         0         0     0.156
      1977     0.128         0         0         0     0.128
      1978    0.0879         0         0         0    0.0879
      1979    0.0714         0         0         0    0.0714
      1980     0.038         0         0         0     0.038
      1981      0.76         0         0         0      0.76
      1982      18.9         0         0         0      18.9
      1983      40.6         0         0         0      40.6
      1984      51.4         0         0         0      51.4
      1985      63.2         0         0         0      63.2
      1986      71.5         0         0         0      71.5
      1987      87.6         0         0         0      87.6
      1988       103         0         0         0       103
      1989       112         0         0         0       112
      1990       101         0         0         0       101