Year	kg of oil equivalent (constant 2021 PPP)
1990	73.3403509836982
1991	72.68522869397974
1992	71.45478971272983
1993	70.92607905347458
1994	69.39504328970398
1995	67.11669209680463
1996	67.36841831983855
1997	63.198032665412
1998	65.8080738668706
1999	61.434472356080285
2000	59.974747100340174
2001	58.74255833914507
2002	56.185437859660844
2003	55.203092966575035
2004	52.94801029312111
2005	52.616896496921505
2006	51.82132422432338
2007	48.24880509940459
2008	48.908371306075516
2009	50.1300016732465
2010	48.75404624738205
2011	45.658243259024296
2012	44.35152833335082
2013	45.006209997237214
2014	43.52130777338304