Year	Tonnes of Oil Equivalent
1971	0.00081
1972	0.00082
1973	0.00083
1974	0.00094
1975	0.00105
1976	0.0011
1977	0.00124
1978	0.00145
1979	0.00169
1980	0.00214
1981	0.00244
1982	0.00272
1983	0.00264
1984	0.00261
1985	0.00253
1986	0.00234
1987	0.00241
1988	0.00235
1989	0.00231
1990	0.00231
1991	0.00235
1992	0.0023
1993	0.00228
1994	0.00225
1995	0.00218
1996	0.00226
1997	0.00231
1998	0.00231
1999	0.00224
2000	0.00222
2001	0.00223
2002	0.0022
2003	0.00228
2004	0.00235
2005	0.00238
2006	0.00232
2007	0.00224
2008	0.00211
2009	0.00196
2010	0.00192