Year	kg of oil equivalent (constant 2021 PPP)
1990	171.43467342405026
1991	168.78254676836684
1992	163.71383487134202
1993	160.35956020763697
1994	156.8947423670259
1995	158.41110353633417
1996	152.8980182495081
1997	147.48230729049493
1998	144.3049971878606
1999	142.60073706217037
2000	138.39387968845375
2001	137.88945091726376
2002	137.69450505488064
2003	142.05796146256313
2004	144.3509881969299
2005	144.37090825971737
2006	142.13698126656047
2007	138.43887334107558
2008	135.18748525077967
2009	136.2017285130428
2010	136.1551879685269
2011	133.90052619427115
2012	131.45857787798096
2013	128.6363678587568
2014	125.29093000156031