Year	kg of oil equivalent (constant 2021 PPP)
1990	103.856455258674
1991	96.86457466057536
1992	93.27177881859782
1993	93.26824262536228
1994	90.6544212415989
1995	90.21510603338321
1996	92.51730217419092
1997	90.09564603746615
1998	87.78267720822153
1999	84.20301659211957
2000	82.2145823434166
2001	83.28071737180531
2002	81.57311914651102
2003	81.71563667925899
2004	81.33987212016518
2005	80.1562005874343
2006	79.35231098573236
2007	72.95035000799388
2008	73.04264937003767
2009	72.54242962883212
2010	73.31435973520207
2011	67.04481416043593
2012	67.01413395665196
2013	67.98446547228514
2014	64.07879327237468
2015	64.32757781329356