Year	Tonnes of Oil Equivalent
1971	0.00151
1972	0.0017
1973	0.00185
1974	0.00187
1975	0.00172
1976	0.00164
1977	0.00153
1978	0.00142
1979	0.00149
1980	0.00148
1981	0.0013
1982	0.00127
1983	0.00152
1984	0.00163
1985	0.00174
1986	0.00197
1987	0.00233
1988	0.00276
1989	0.0027
1990	0.00277
1991	0.00281
1992	0.00298
1993	0.00268
1994	0.00281
1995	0.00301
1996	0.0032
1997	0.00325
1998	0.00327
1999	0.00322
2000	0.00314
2001	0.00302
2002	0.00345
2003	0.00333
2004	0.00361
2005	0.0043
2006	0.0047
2007	0.00542
2008	0.00586
2009	0.00544