HISTORIC GLOBAL SULFUR EMISSIONS

VIETNAM_DEMOCRATIC_REPUBLIC

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

      1955      11.1         0         0         0      11.1
      1956      8.28         0         0         0      8.28
      1957       7.1         0         0         0       7.1
      1958      15.1         0         0         0      15.1
      1959      23.2         0         0         0      23.2
      1960      27.7         0         0         0      27.7
      1961      28.8         0         0         0      28.8
      1962      35.7         0         0         0      35.7
      1963      33.4         0         0         0      33.4
      1964        36         0         0         0        36
      1965      38.2         0         0         0      38.2
      1966      40.4         0         0         0      40.4
      1967        34         0         0         0        34
      1968        36         0         0         0        36
      1969      36.4         0         0         0      36.4