Year	kg of oil equivalent (constant 2021 PPP)
1990	73.32957142940091
1991	75.46970589244734
1992	71.02893673376569
1993	71.46550606767886
1994	69.60004682805382
1995	70.81532701400059
1996	73.53054821052861
1997	71.49985153936984
1998	70.19743324570848
1999	67.64000267043895
2000	65.19960986144852
2001	68.03299105901603
2002	67.5296271521091
2003	70.78892347155464
2004	69.92542184416766
2005	70.1983641283768
2006	68.07845866705404
2007	64.88913307022626
2008	64.35607617805658
2009	63.157944391030775
2010	66.30969352648854
2011	62.58102593082371
2012	61.88276019634457
2013	62.74948975782479
2014	60.33007259229966
2015	60.990793842322525