Year	kg of oil equivalent (constant 2021 PPP)
1990	175.25926355619757
1991	181.50355003711934
1992	181.91034909964114
1993	190.60613774846615
1994	191.50853373583317
1995	192.2997876616465
1996	188.39923583678197
1997	185.78238364244865
1998	183.77748963530368
1999	186.03342007750456
2000	180.9204951120392
2001	180.22323226974424
2002	172.51689620361813
2003	173.57565382981986
2004	169.41460579901982
2005	163.308209599959
2006	156.5944529502102
2007	153.52028582651343
2008	155.05822464227083
2009	151.38631306651845
2010	147.11676447817058
2011	145.04211743116284
2012	144.09706792487296
2013	140.01963982042076
2014	136.04724974677126
