Year H.Coal B.Coal Oil Smelting Total
kt/a kt/a kt/a kt/a kt/a
1904 0.0287 0 0 0 0.0287
1905 0.0574 0 0 0 0.0574
1906 0.0861 0 0 0 0.0861
1907 0.115 0 0 0 0.115
1908 0.144 0 0 1.2 1.34
1909 0.172 0 0 1.19 1.37
1910 0.201 0 0 1.19 1.4
1911 0.23 0 0 1.19 1.42
1912 0.259 0 0 1.19 1.45
1913 0.288 0 0 2.38 2.67
1914 0.317 0 0 3.57 3.89
1915 0.346 0 0 5.96 6.3
1916 0.375 0 0 5.95 6.33
1917 0.404 0 0 4.76 5.16
1918 0.433 0 0 3.57 4
1919 0.462 0 0 3.57 4.03
1920 0.491 0 0 3.56 4.05
1921 0.52 0 0 3.54 4.06
1922 0.549 0 0 3.52 4.07
1923 0.578 0 0 3.5 4.08
1924 0.607 0 0 4.5 5.11
1925 0.636 0 0 2.74 3.38
1926 0.665 0 0 1.73 2.4
1927 0.694 0 0 4.99 5.68
1928 0.723 0 0 8.92 9.64
1929 0.753 0 0 9.35 10.1
1930 0.782 0 0 11.3 12.1
1931 0.811 0 0 11.2 12
1932 0.84 0 0 78.4 79.2
1933 0.87 0 0 119 120
1934 0.899 0 0 156 157
1935 0.928 0 0 163 163
1936 0.958 0 0 161 162
1937 0.987 0 0 229 230
1938 1.02 0 0 233 234
1939 1.05 0 0 230 231
1940 1.08 0 0 284 285
1941 1.1 0 0 244 246
1942 1.13 0 0 262 263
1943 1.16 0 0 263 264
1944 1.19 0 0 229 230
1945 1.22 0 0 199 200
1946 1.25 0 0 186 187
1947 1.28 0 0 196 197
1948 1.31 0 0 214 215
1949 1.34 0 0 256 257
1950 0 0 0 270 270
1951 0 0 0 298 298
1952 0 0 0 297 297
1953 0 0 0 341 341
1954 0 0 0 365 365
1955 0 0 0 326 326
1956 0 0 0 362 362
1957 0 0 0 386 386
1958 0 0 0 350 350
1959 0 0 0 468 468
1960 0 0 0 489 489
1961 0 0 0 482 482
1962 0 0 0 465 465
1963 0 0 0 480 480
1964 13.3 0 0 508 521
1965 15.6 0 0 553 569
1966 13.7 0 0 486 500
1967 18.8 0 0 511 530
1968 17.4 0 0 620 637
1969 14.7 0 0 625 640
1970 14.2 0 0 617 631
1971 12.7 0 0 571 584
1972 14.2 0 0 630 644
1973 14.1 0 3.78 623 641
1974 11.8 0 5.31 613 630
1975 12.2 0 7.45 548 568
1976 11.4 0 4.98 474 491
1977 10.3 0 4.67 431 446
1978 8.9 0 4.46 421 435
1979 8.65 0 4.07 371 384
1980 8.68 0 4.88 378 392
1981 7.61 0 4.67 429 441
1982 9.07 0 4.04 441 454
1983 6.79 0 3.54 526 536
1984 7.59 0 2.83 402 412
1985 7.44 0 2.57 362 372
1986 8.22 0 2.55 317 328
1987 6.89 0 2.7 297 307
1988 9.3 0 2.81 314 326
1989 5.9 0 2.7 309 318
1990 5.6 0 2.42 297 305