Year	Tonnes of Oil Equivalent
1971	0.00067
1972	0.00065
1973	0.00063
1974	0.00059
1975	0.0007
1976	0.00073
1977	0.00075
1978	0.00076
1979	0.00083
1980	0.00087
1981	0.00096
1982	0.00105
1983	0.00108
1984	0.00111
1985	0.00106
1986	0.0011
1987	0.00112
1988	0.00118
1989	0.00114
1990	0.00109
1991	0.00097
1992	0.00102
1993	0.00109
1994	0.00112
1995	0.00123
1996	0.00129
1997	0.00125
1998	0.00125
1999	0.00113
2000	0.00124
2001	0.00131
2002	0.00135
2003	0.0013
2004	0.00132
2005	0.00138
2006	0.00144
2007	0.0013
2008	0.00135
2009	0.0013