Year	Tonnes of Oil Equivalent
1971	0.00293
1972	0.00375
1973	0.00375
1974	0.00343
1975	0.00331
1976	0.00356
1977	0.00364
1978	0.00394
1979	0.00416
1980	0.00349
1981	0.00346
1982	0.00335
1983	0.00357
1984	0.00359
1985	0.00365
1986	0.0037
1987	0.0038
1988	0.00379
1989	0.00384
1990	0.00396
1991	0.00396
1992	0.00392
1993	0.00386
1994	0.00363
1995	0.00377
1996	0.00391
1997	0.00416
1998	0.00428
1999	0.00455
2000	0.00466
2001	0.00441
2002	0.00455
2003	0.00487
2004	0.00487
2005	0.00507
2006	0.00494
2007	0.00485
2008	0.00471
2009	0.00436