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

      1950      1.61         0      11.9         0      13.6
      1951      1.97         0        13         0        15
      1952       1.6         0      13.1         0      14.7
      1953      1.05         0      16.9         0        18
      1954      1.08         0      17.5         0      18.6
      1955      1.24         0      16.2         0      17.4
      1956      1.48         0      13.5         0        15
      1957      1.43         0        13         0      14.4
      1958      1.43         0      12.6         0        14
      1959     0.723         0        12         0      12.7
      1960      1.01         0      12.6         0      13.6
      1961     0.708         0      11.9         0      12.6
      1962     0.622         0      11.2         0      11.9
      1963     0.717         0      11.4         0      12.1
      1964     0.488         0      11.3         0      11.8
      1965     0.631         0        12         0      12.6
      1966     0.542         0      11.8         0      12.3
      1967      0.56         0      10.8         0      11.4
      1968     0.486         0      9.37         0      9.85
      1969       0.4         0      10.1         0      10.5
      1970     0.488         0      10.8         0      11.2
      1971     0.376         0      10.4         0      10.8
      1972     0.396         0      8.91         0       9.3
      1973     0.359         0      9.94         0      10.3
      1974     0.372         0      11.1         0      11.5
      1975     0.453         0      11.4         0      11.8
      1976     0.433         0      9.89         0      10.3
      1977     0.163         0      11.3         0      11.5
      1978     0.022         0      12.2         0      12.2
      1979    0.0595         0      9.66         0      9.72
      1980    0.0507         0      12.1         0      12.2
      1981    0.0533         0      10.7         0      10.7
      1982         0         0       9.5         0       9.5
      1983         0         0      5.97         0      5.97
      1984         0         0       6.1         0       6.1
      1985         0         0      4.99         0      4.99
      1986         0         0      6.27         0      6.27
      1987    0.0109         0      5.54         0      5.55
      1988         0         0      5.49         0      5.49
      1989         0         0      5.15         0      5.15
      1990         0         0      5.15         0      5.15