Year	Tonnes of Oil Equivalent
1971	0.00023
1972	0.00084
1973	0.00183
1974	0.00153
1975	0.00137
1976	0.00153
1977	0.00146
1978	0.00154
1979	0.00154
1980	0.00148
1981	0.00147
1982	0.00142
1983	0.00158
1984	0.00169
1985	0.00176
1986	0.00176
1987	0.0011
1988	0.00175
1989	0.0016
1990	0.00161
1991	0.00165
1992	0.00171
1993	0.0018
1994	0.00192
1995	0.00194
1996	0.00189
1997	0.00187
1998	0.00179
1999	0.00177
2000	0.00184
2001	0.00183
2002	0.00174
2003	0.00183
2004	0.00222
2005	0.00219
2006	0.00219
2007	0.00209
2008	0.00203
2009	0.00192