HISTORIC GLOBAL SULFUR EMISSIONS

SIERRA_LEONE

      Year    H.Coal    B.Coal       Oil    Smelting   Total
                kt/a      kt/a      kt/a      kt/a      kt/a

      1950     0.503         0         0         0     0.503
      1951     0.198         0         0         0     0.198
      1952     0.567         0         0         0     0.567
      1953     0.428         0         0         0     0.428
      1954     0.203         0         0         0     0.203
      1955     0.418         0         0         0     0.418
      1956     0.351         0         0         0     0.351
      1957      0.39         0         0         0      0.39
      1958     0.435         0         0         0     0.435
      1959     0.214         0         0         0     0.214
      1960     0.146         0         0         0     0.146
      1961     0.144         0         0         0     0.144
      1962     0.212         0         0         0     0.212
      1963    0.0689         0         0         0    0.0689
      1965    0.0537         0         0         0    0.0537
      1969         0         0      1.93         0      1.93
      1970         0         0      1.97         0      1.97
      1971         0         0      1.73         0      1.73
      1972         0         0      1.67         0      1.67
      1973         0         0      1.13         0      1.13
      1974         0         0      1.13         0      1.13
      1975         0         0       1.2         0       1.2
      1976         0         0      1.04         0      1.04
      1977         0         0     0.968         0     0.968
      1978         0         0      1.24         0      1.24
      1979         0         0      1.23         0      1.23
      1980         0         0      1.12         0      1.12
      1981         0         0      1.31         0      1.31
      1982         0         0      1.16         0      1.16
      1983         0         0      1.19         0      1.19
      1984         0         0      1.26         0      1.26
      1985         0         0       1.2         0       1.2
      1986         0         0      1.24         0      1.24
      1987         0         0      1.31         0      1.31
      1988         0         0      1.34         0      1.34
      1989         0         0      1.31         0      1.31
      1990         0         0      1.29         0      1.29