Year	Tonnes of Oil Equivalent
1971	0.00024
1972	0.00047
1973	0.00167
1974	0.00189
1975	0.00143
1976	0.00157
1977	0.00136
1978	0.00169
1979	0.00185
1980	0.00212
1981	0.00248
1982	0.00269
1983	0.00299
1984	0.00323
1985	0.00308
1986	0.00306
1987	0.00315
1988	0.0034
1989	0.00373
1990	0.00366
1991	0.00358
1992	0.00373
1993	0.00399
1994	0.00369
1995	0.00368
1996	0.00399
1997	0.00431
1998	0.00459
1999	0.00478
2000	0.00465
2001	0.00423
2002	0.00399
2003	0.00359
2004	0.00364
2005	0.00386
2006	0.00423
2007	0.00335
2008	0.00345
2009	0.00388