Year	kg of oil equivalent (constant 2021 PPP)
1990	142.1523786927554
1991	144.75391398934462
1992	142.36435897020988
1993	140.3285660327572
1994	137.41058519026683
1995	135.80496517505242
1996	131.438807284095
1997	131.51524263788724
1998	127.65236115370134
1999	125.24304027696523
2000	123.41965589785629
2001	120.06971073106774
2002	119.01285825840046
2003	114.14610738184271
2004	111.61226214615003
2005	107.70633432061261
2006	105.11371505835001
2007	103.45124774027268
2008	104.25857079420341
2009	105.97510118040628
2010	102.93148651434544
2011	101.71531312685742
2012	100.86394588672809
2013	97.23908332973994
2014	96.12935623804398