Year	kg of oil equivalent (constant 2021 PPP)
1990	101.33095204045371
1991	100.2705357783047
1992	97.04685309058824
1993	97.336710876862
1994	94.25794936113564
1995	94.88224049177316
1996	96.12459536533844
1997	93.07093710110266
1998	90.85286180196061
1999	87.46219384850984
2000	84.74915463831168
2001	85.08672593111301
2002	84.16111852754734
2003	85.07092078869053
2004	83.81068851911206
2005	82.35382505166434
2006	79.98734860881835
2007	76.30205012163745
2008	75.4223828373986
2009	74.22699580516462
2010	75.61492152907185
2011	71.65553285604129
2012	71.23099219239809
2013	70.48221497567226
2014	66.9435058021783
2015	66.39169834437634