Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1980 0.0254 0 12.3 0 12.4
1981 0.04 0 9.25 0 9.29
1982 0.039 0 9.11 0 9.15
1983 0.0356 0 8.1 0 8.14
1984 0.104 0 7.13 0 7.24
1985 0.641 0 5.64 0 6.28
1986 0.403 0 5.71 0 6.11
1987 0.394 0 6.11 0 6.5
1988 0.167 0 6.21 0 6.38
1989 0.192 0 5.71 0 5.9
1990 0.394 0 5.33 0 5.72