Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1891 0.23 0 0 0 0.23
1892 0.46 0 0 0 0.46
1893 0.69 0 0 0 0.69
1894 0.921 0 0 0 0.921
1895 1.15 0 0 0 1.15
1896 1.38 0 0 0 1.38
1897 1.61 0 0 0 1.61
1898 1.84 0 0 0 1.84
1899 2.08 0 0 0 2.08
1900 2.31 0 0 0 2.31
1901 2.54 0 0 0.0413 2.58
1902 2.77 0 0 0.0825 2.85
1903 3 0 0 0.124 3.13
1904 3.23 0 0 0.165 3.4
1905 3.47 0 0 0.206 3.67
1906 3.7 0 0 0.247 3.95
1907 3.93 0 0 0.288 4.22
1908 4.16 0 0 0.329 4.49
1909 4.4 0 0 0.37 4.77
1910 4.63 0 0 0.411 5.04
1911 4.86 0 0 0.452 5.32
1912 5.1 0 0 0.493 5.59
1913 5.33 0 0 0.534 5.86
1914 5.56 0 0 0.574 6.14
1915 5.8 0 0 0.615 6.41
1916 6.03 0 0 0.656 6.69
1917 6.27 0 0 0.696 6.96
1918 6.5 0 0 0.737 7.24
1919 6.74 0 0 0.777 7.51
1920 6.97 0 0 0.818 7.79
1921 6 0 0.00579 0.854 6.86
1922 9.24 0 0.0114 0.89 10.1
1923 7.49 0 0.0163 0.925 8.43
1924 6.89 0 0.0211 0.96 7.87
1925 8.74 0 0.0249 0.994 9.76
1926 8.35 0 0.0278 1.03 9.41
1927 8.03 0 0.0297 1.06 9.12
1928 7.64 0 0.0324 1.09 8.77
1929 8.64 0 0.0359 1.13 9.8
1930 8.92 0 0.0399 1.16 10.1
1931 10.7 0 0.0432 1.19 12
1932 12.5 0 0.047 1.29 13.9
1933 14.9 0 0.0505 1.27 16.2
1934 16.7 0 0.0542 1.29 18
1935 19.2 0 0.0576 1.32 20.5
1936 15.1 0 0.191 1.35 16.6
1937 17.7 0 0.502 1.4 19.6
1938 21.1 0 0.596 1.47 23.1
1939 24.3 0 0.546 1.5 26.4
1940 31.1 0 0.638 1.48 33.2
1941 32.7 0 0.629 1.53 34.9
1942 41.3 0 0.176 1.57 43
1943 48.4 0 0.516 1.62 50.5
1944 44.4 0 0.314 1.66 46.4
1945 48.3 0 0.234 1.71 50.2
1946 44.2 0 0.578 1.75 46.5
1947 46.6 0 0.247 1.79 48.6
1948 47.2 0 0.319 1.83 49.4
1949 49.7 0 0.28 1.86 51.8
1950 59.3 0 1.26 1.9 62.5
1951 60 0 1.12 1.94 63.1
1952 58 0 1.12 1.97 61.1
1953 56.9 0 1.45 2.06 60.4
1954 57 0 2.99 2.05 62
1955 54.3 0 47.8 2.17 104
1956 49.3 0 63.4 2.15 115
1957 47.7 0 62.3 2.16 112
1958 38.7 0 67.6 2.41 109
1959 38.5 0 67.5 2.38 108
1960 43.6 0 74.1 2.85 121
1961 41.5 0 86.2 2.32 130
1962 51.5 0 104 3.31 159
1963 50 0 106 3.83 160
1964 55.6 0 104 4.73 164
1965 65.3 0 93.3 6.21 165
1966 73.4 0 101 5.87 181
1967 73.9 0 107 5.92 187
1968 76.4 0 120 7.16 204
1969 82 0 130 7.4 219
1970 81.4 0 142 7.54 231
1971 79.7 0 148 7.38 235
1972 81.7 0 170 7.39 259
1973 78.4 0 226 6.88 311
1974 95.8 0 250 6.73 353
1975 101 0 247 5.31 353
1976 115 0 250 10 375
1977 139 0 274 9.95 423
1978 147 0 292 10 449
1979 169 0 329 10.9 509
1980 181 0 324 13.4 518
1981 191 0 310 20.3 522
1982 205 0 266 31.4 502
1983 224 0 239 41.5 504
1984 265 0 252 56.5 573
1985 274 0 235 63.9 574
1986 267 0 250 49 566
1987 268 0 265 50 584
1988 277 0 262 54.5 593
1989 266 0 254 55.7 575
1990 223 0 251 53.1 527