Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1979 0.0119 0 0 0 0.0119
1980 0.0127 0 0 0 0.0127
1981 0.0133 0 0 0 0.0133
1982 0.013 0 0 0 0.013
1983 0.0119 0 0 0 0.0119
1987 0.186 0 0 0 0.186
1988 0.201 0 0 0 0.201
1989 0.00379 0 0 0 0.00379
1990 0.206 0 0 0 0.206