Year Tonnes of Oil Equivalent 1971 0.019 1972 0.0168 1973 0.01718 1974 0.01482 1975 0.01141 1976 0.01087 1977 0.01037 1978 0.00971 1979 0.01029 1980 0.00932 1981 0.00881 1982 0.00788 1983 0.00735 1984 0.00731 1985 0.00668 1986 0.00693 1987 0.00686 1988 0.00695 1989 0.00685 1990 0.00756 1991 0.00816 1992 0.00804 1993 0.00829 1994 0.00845 1995 0.00895 1996 0.00989 1997 0.01022 1998 0.00991 1999 0.00884 2000 0.00908 2001 0.00875 2002 0.00805 2003 0.00695 2004 0.00833 2005 0.00875 2006 0.00862 2007 0.00763 2008 0.00741 2009 0.00714