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

      1956         0         0         0      3.53      3.53
      1957         0         0         0      8.72      8.72
      1958         0         0         0      8.62      8.62
      1959         0         0         0      14.5      14.5
      1960         0         0         0        16        16
      1961         0         0         0      13.3      13.3
      1962         0         0         0      14.7      14.7
      1963         0         0         0      16.1      16.1
      1964         0         0         0      15.1      15.1
      1965         0         0         0      13.3      13.3
      1966         0         0         0      12.3      12.3
      1967         0         0         0      11.4      11.4
      1968         0         0         0      11.2      11.2
      1969         0         0         0      11.8      11.8
      1970         0         0         0      13.1      13.1
      1971         0         0         0      12.1      12.1
      1972         0         0         0      10.5      10.5
      1973         0         0         0      9.69      9.69
      1974         0         0         0      8.16      8.16
      1975         0         0         0      6.02      6.02
      1976         0         0         0       4.6       4.6
      1977         0         0         0      2.58      2.58
      1978         0         0         0     0.825     0.825