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

      1950     0.101         0         0         0     0.101
      1951     0.212         0         0         0     0.212
      1952     0.332         0         0         0     0.332
      1953     0.117         0         0         0     0.117
      1956    0.0146         0         0         0    0.0146
      1957     0.015         0         0         0     0.015
      1958     0.014         0         0         0     0.014
      1960    0.0133         0         0         0    0.0133
      1961    0.0131         0         0         0    0.0131
      1967     0.013         0         0         0     0.013
      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
      1973     0.012         0         0         0     0.012
      1974     0.012         0         0         0     0.012
      1975    0.0123         0         0         0    0.0123
      1978         0         0      1.57         0      1.57
      1980         0         0      4.19         0      4.19
      1981    0.0133         0      7.31         0      7.33
      1982     0.013         0      8.96         0      8.97
      1983    0.0119         0      9.58         0      9.59
      1984    0.0115         0      6.32         0      6.34
      1985    0.0247         0      5.76         0      5.79
      1986    0.0132         0      4.99         0         5
      1987    0.0132         0      4.72         0      4.73
      1988    0.0132         0      3.34         0      3.35
      1989    0.0132         0      1.46         0      1.47
      1990    0.0133         0     0.373         0     0.386