Year	kg of oil equivalent (constant 2021 PPP)
1990	173.4117731636234
1991	165.1758914957156
1992	163.00564501604308
1993	162.9311391803092
1994	160.4993191207435
1995	159.7757207497203
1996	155.89959994316507
1997	152.03612208163932
1998	151.194597533312
1999	149.3378554904646
2000	146.4883868017748
2001	144.2844544102267
2002	143.60841279385838
2003	146.61320224930827
2004	150.4982206420287
2005	149.5310167953982
2006	147.6908423309099
2007	143.97857872772698
2008	139.7835386805238
2009	140.2863471684998
2010	141.24620291252094
2011	138.42708845263599
2012	134.60021805860274
2013	131.10975935991678
2014	127.36074753226849