Year	Tonnes of Oil Equivalent
1960	0.00172
1961	0.00172
1962	0.00172
1963	0.00174
1964	0.00175
1965	0.00166
1966	0.00156
1967	0.00143
1968	0.00146
1969	0.0015
1970	0.00224
1971	0.00224
1972	0.00219
1973	0.00218
1974	0.0022
1975	0.00219
1976	0.00221
1977	0.0022
1978	0.00223
1979	0.00232
1980	0.00237
1981	0.00246
1982	0.00248
1983	0.00244
1984	0.00254
1985	0.00269
1986	0.00257
1987	0.00256
1988	0.00259
1989	0.00255
1990	0.00235
1991	0.00211
1992	0.00203
1993	0.00188
1994	0.00178
1995	0.00177
1996	0.00174
1997	0.00174
1998	0.00165
1999	0.00167
2000	0.00164
2001	0.00163
2002	0.00163
2003	0.00165
2004	0.00167
2005	0.00164
2006	0.00165
2007	0.00167
2008	0.00162
2009	0.00154
2010	0.00157
