Year	Tonnes of Oil Equivalent
1971	0.01196
1972	0.0127
1973	0.01528
1974	0.01925
1975	0.02006
1976	0.01939
1977	0.01886
1978	0.01731
1979	0.01644
1980	0.01383
1981	0.01187
1982	0.01186
1983	0.01153
1984	0.01128
1985	0.01188
1986	0.01115
1987	0.01023
1988	0.01014
1989	0.0124
1990	0.01575
1991	0.0166
1992	0.016
1993	0.01644
1994	0.01751
1995	0.01818
1996	0.01781
1997	0.01754
1998	0.01627
1999	0.01428
2000	0.01226
2001	0.01142
2002	0.01094
2003	0.01147
2004	0.01124
2005	0.0109
2006	0.00969
2007	0.00968
2008	0.00932
2009	0.0092