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

      1950     0.163         0         0         0     0.163
      1951     0.127         0         0         0     0.127
      1952    0.0829         0         0         0    0.0829
      1953    0.0909         0         0         0    0.0909
      1954    0.0889         0         0         0    0.0889
      1955    0.0944         0         0         0    0.0944
      1956    0.0585         0         0         0    0.0585
      1957      0.03         0         0         0      0.03
      1958     0.014         0         0         0     0.014
      1959    0.0134         0         0         0    0.0134
      1960    0.0133         0         0         0    0.0133
      1961    0.0262         0         0         0    0.0262
      1962    0.0132         0         0         0    0.0132
      1963    0.0551         0         0         0    0.0551
      1964    0.0271         0         0         0    0.0271
      1965    0.0268         0         0         0    0.0268
      1966    0.0396         0         0         0    0.0396
      1967    0.0261         0         0         0    0.0261
      1968    0.0128         0         0         0    0.0128
      1969    0.0129         0         0         0    0.0129
      1970    0.0132         0         0         0    0.0132
      1971    0.0125         0         0         0    0.0126
      1972    0.0124         0         0         0    0.0124