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

      1950       4.7         0         0         0       4.7
      1951      3.41         0         0         0      3.41
      1952      5.21         0         0         0      5.21
      1953      5.05         0         0         0      5.05
      1954      3.67         0         0         0      3.67
      1955      2.52         0         0         0      2.52
      1956      2.14         0         0         0      2.14
      1957      4.22         0         0         0      4.22
      1958      2.45         0         0         0      2.45
      1959      2.36         0         0         0      2.36
      1960      3.45         0         0         0      3.45
      1961      1.82         0         0         0      1.82
      1962      1.87         0         0         0      1.87
      1963         2         0         0         0         2
      1964      2.37         0         0         0      2.37
      1965      1.87         0         0         0      1.87
      1966      0.41         0         0         0      0.41
      1967       1.8         0         0         0       1.8
      1968     0.538         0     0.247         0     0.784
      1969     0.284         0      3.55         0      3.84
      1970     0.264         0      10.9         0      11.1
      1971     0.151         0       8.9         0      9.05
      1972         0         0        10         0        10
      1973    0.0598         0      9.74         0       9.8
      1974     0.048         0      9.31         0      9.36
      1975         0         0      8.76         0      8.76
      1976     0.024         0      7.94         0      7.96
      1977         0         0      9.19         0      9.19
      1978         0         0      8.67         0      8.67
      1979         0         0      8.38         0      8.38
      1980         0         0      11.9         0      11.9
      1981         0         0      9.47         0      9.47
      1982     0.416         0      10.4         0      10.9
      1983     0.332         0      7.04         0      7.37
      1984    0.0115         0      8.24         0      8.25
      1985    0.0114         0      7.42         0      7.43
      1986    0.0112         0      7.58         0       7.6
      1987         0         0      8.02         0      8.02
      1988         0         0       8.3         0       8.3
      1989         0         0      5.49         0      5.49
      1990         0         0      7.87         0      7.87