Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1966 0 0 0.34 0 0.34
1967 0 0 1.02 0 1.02
1968 0 0 2.16 0 2.16
1969 0 0 2.04 0 2.04
1970 0 0 3.35 0 3.35
1971 0 0 3.79 0 3.79
1972 0 0 3.99 0 3.99
1973 0 0 3.33 0 3.33
1974 0 0 2.12 0 2.12
1975 0 0 0.927 0 0.927
1982 0 0 0.463 0 0.463