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

      1926         0         0         0      2.58      2.58
      1927         0         0         0      2.26      2.26
      1928         0         0         0      2.19      2.19
      1929         0         0         0      1.89      1.89
      1930         0         0         0      1.59      1.59
      1931         0         0         0      0.81      0.81
      1932         0         0         0       0.5       0.5
      1933         0         0         0       0.5       0.5
      1934         0         0         0       0.5       0.5
      1935         0         0         0       0.5       0.5
      1936         0         0         0      0.52      0.52
      1937         0         0         0       0.5       0.5
      1938         0         0         0      0.52      0.52
      1939         0         0         0      0.59      0.59
      1940         0         0         0      0.69      0.69
      1941         0         0         0      0.76      0.76
      1942         0         0         0      0.62      0.62
      1943         0         0         0      0.49      0.49
      1944         0         0         0      0.14      0.14
      1945         0         0         0      0.04      0.04
      1950      5.98         0         0         0      5.98
      1951      6.25         0         0         0      6.25
      1952      9.47         0         0         0      9.47
      1953      8.16         0         0         0      8.16
      1954      7.74         0         0         0      7.74