Year	Tonnes of Oil Equivalent
1971	0.00125
1972	0.00125
1973	0.00121
1974	0.0012
1975	0.00118
1976	0.00117
1977	0.00122
1978	0.00124
1979	0.00131
1980	0.00138
1981	0.00138
1982	0.00138
1983	0.00143
1984	0.00144
1985	0.0014
1986	0.00139
1987	0.00138
1988	0.00146
1989	0.00147
1990	0.00148
1991	0.00152
1992	0.00162
1993	0.00168
1994	0.00181
1995	0.00192
1996	0.00204
1997	0.00217
1998	0.0022
1999	0.00219
2000	0.00223
2001	0.00227
2002	0.00216
2003	0.00222
2004	0.00227
2005	0.00219
2006	0.00221
2007	0.00211
2008	0.00209
2009	0.00202