Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1915 0 0.0156 1.34 0 1.36
1916 0 0.134 2.68 0 2.81
1917 0 0.207 4.02 0 4.23
1918 0 0.224 5.36 0 5.58
1919 0 0.254 6.7 0 6.95
1920 0 0.331 8.04 0 8.37
1921 0 0.399 9.38 0 9.78
1922 0 0.376 10.7 0 11.1
1923 0 0.425 12.1 0 12.5
1924 0 0.5 13.4 0 13.9
1925 0 0.548 14.7 0 15.3
1926 0 0.624 16.1 0 16.7
1927 0 0.472 17.4 0 17.9
1928 0 0.75 18.8 0 19.5
1929 0 0.891 20.1 0 21
1930 0 0.764 21.4 0 22.2
1931 0 0.544 22.8 0 23.3
1932 0 0.375 24.1 0 24.5
1933 0 0.296 25.5 0 25.8
1934 0 0.436 26.8 0 27.2
1935 0 0.512 28.1 0 28.6
1936 0 0.684 29.5 0 30.2
1937 0 0.854 30.8 0 31.7
1938 0 0.652 32.2 0 32.8
1939 0 0.601 33.5 0 34.1
1940 0 1.07 34.8 0 35.9
1941 0 0.939 36.1 0 37.1
1942 0 0.335 37.4 0 37.8
1943 0 0.67 38.7 0 39.3
1944 0 0.562 39.8 0 40.4
1945 0 0.311 41 0 41.3
1946 0 0.309 41.5 0 41.8
1947 0 0.312 42.4 0 42.7
1948 0 0.517 43.2 0 43.8
1949 0 0.534 43.9 0 44.4
1950 3.44 0 0 0 3.44
1951 4.26 0 0 0 4.26
1952 4.19 0 0 0 4.19
1953 2.71 0 0 0 2.71
1954 2.05 0 0 0 2.05
1955 2.03 0 0 0 2.03
1956 2.17 0 1.76 0 3.93
1957 0.24 0 0 0 0.24
1958 0.0281 0 0 0 0.0281
1959 0.214 0 0 0 0.214
1960 0.411 0 0 0 0.411
1961 0.446 0 0 0 0.446
1962 0.397 0 0 0 0.397
1963 0.414 0 4.43 0 4.84
1964 0.325 0 14.8 0 15.1
1965 0.228 0 14.2 0 14.4
1966 0.238 0 16.1 0 16.3
1967 0.143 0 17.6 0 17.8
1968 0.154 0 17.4 0 17.5
1969 0.219 0 16.9 0 17.1
1970 0.158 0 32.2 0.0726 32.4
1971 0.201 0 23.1 0.0536 23.3
1972 0.0495 0 19.2 0.0352 19.3
1973 0.156 0 19 0.0173 19.1
1974 0.228 0 20.1 0 20.3
1975 0.196 0 20.1 2.54 22.9
1976 0.264 0 19.3 12 31.5
1977 0.233 0 24 15.5 39.7
1978 0.154 0 23.6 16.5 40.3
1979 0.297 0.00993 23.9 15.3 39.5
1980 0.621 0.0126 26.2 16.5 43.3
1981 1.44 0 24.9 17.4 43.7
1982 1.39 0 16.3 18.1 35.8
1983 4.29 0 21.4 17.3 43
1984 4.52 0 21 17.1 42.7
1985 5.45 0 17.4 17.9 40.8
1986 4.25 0 19 16.3 39.6
1987 5.68 0 21.1 17.4 44.1
1988 4.35 1.83 20 12.6 38.8
1989 19.1 2.52 18.7 13.7 53.9
1990 20.1 0.384 21 13.5 55