Year	Tonnes of Oil Equivalent
1971	0.00124
1972	0.00124
1973	0.00124
1974	0.00125
1975	0.00127
1976	0.00133
1977	0.00139
1978	0.00144
1979	0.00151
1980	0.00158
1981	0.00161
1982	0.00166
1983	0.00164
1984	0.00166
1985	0.0017
1986	0.00166
1987	0.00161
1988	0.00156
1989	0.00153
1990	0.00144
1991	0.00137
1992	0.00118
1993	0.00106
1994	0.00099
1995	0.00092
1996	0.00081
1997	0.00078
1998	0.0007
1999	0.00078
2000	0.00082
2001	0.00084
2002	0.0008
2003	0.00082
2004	0.00086
2005	0.00093
2006	0.00093
2007	0.00082
2008	0.00086
2009	0.00084