Year	Tonnes of Oil Equivalent
1971	0.00209
1972	0.00215
1973	0.00222
1974	0.00226
1975	0.00235
1976	0.00243
1977	0.0025
1978	0.00247
1979	0.00235
1980	0.00237
1981	0.00245
1982	0.00246
1983	0.00248
1984	0.00246
1985	0.00239
1986	0.00236
1987	0.00229
1988	0.00232
1989	0.00215
1990	0.00176
1991	0.00155
1992	0.00149
1993	0.00145
1994	0.00139
1995	0.00143
1996	0.00145
1997	0.0014
1998	0.00129
1999	0.00125
2000	0.00127
2001	0.00125
2002	0.00132
2003	0.00134
2004	0.0013
2005	0.00128
2006	0.00129
2007	0.00128
2008	0.00134
2009	0.00131