Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1950 3.42 0 0 0 3.42
1951 4.91 0 0 0 4.91
1952 5.17 0 0 0 5.17
1953 3.58 0 0 0 3.58
1954 3.63 0 0 0 3.63
1955 3.93 0 0 0 3.93
1956 5.21 0 0 0 5.21
1957 4.68 0 0 0 4.68
1958 3.55 0 0 0 3.55
1959 3.24 0 0 0 3.24
1960 3.25 0 0 0 3.25
1961 2.77 0 0 0 2.77
1962 2.7 0 0 0 2.7
1963 2.98 0 0 0 2.98
1964 1.99 0 0 0 1.99
1965 1.53 0 0 0 1.53
1966 1.06 0 0 0 1.06
1967 0.925 0 0 0 0.925
1968 0.883 0 0 0 0.883
1969 1.07 0 0 0 1.07
1970 1.68 0 0 0 1.68
1971 2.97 0 0 0 2.97
1972 3.69 0 0 0 3.69
1973 3.65 0 0 0 3.65
1974 7.27 0 0 0 7.27
1975 6.41 0 0 0 6.41
1976 7.36 0.0274 0 0 7.38
1977 6.1 0.106 0 0 6.21
1978 5.44 0.165 0 0 5.61
1979 4.15 0.258 0 0 4.41
1980 4.62 0.353 0 0 4.97
1981 3.96 0.0776 0 0 4.04
1982 3.68 0 0 0 3.68
1983 1.98 0 0 0 1.98
1984 2.18 0 0 0 2.18
1985 2.28 0 0 0 2.28
1986 2.05 0 0 0 2.05
1987 2.16 0 0 0 2.16
1988 1.8 0 0 0 1.8
1989 2.2 0 0 0 2.2
1990 2.22 0 0 0 2.22