Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1960 0 0 0 0.84 0.84
1961 0 0 0 2.49 2.49
1962 0 0 0 3.27 3.27
1963 0 0 0 4.83 4.83
1964 0 0 0 4.77 4.77
1965 0 0 0 7.83 7.83
1966 0 0 0 6.17 6.17
1967 0 0 0 3.04 3.04
1968 0 0 0 4.49 4.49
1969 0 0 0 4.42 4.42
1970 0 0 0 3.63 3.63
1971 0 0 0 5 5