Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1978 0 0 0.572 0 0.572
1979 0 0 2.04 0 2.04
1980 0 0 1.67 0 1.67
1982 0 0 1.03 0 1.03
1983 0 0 1.2 0 1.2
1984 0 0 0.856 0 0.856
1985 0 0 1.01 0 1.01
1986 0 0 1.1 0 1.1
1987 0 0 1.17 0 1.17
1988 0 0 1.15 0 1.15
1989 0 0 1.06 0 1.06
1990 0 0 1.01 0 1.01