Year	kg of oil equivalent (constant 2021 PPP)
1990	175.35611771849432
1991	181.5035500371193
1992	181.9103490996411
1993	190.60613774846618
1994	191.50853373583323
1995	192.2997876616465
1996	188.39923583678197
1997	185.78238364244865
1998	183.7774896353037
1999	186.03342007750456
2000	180.92049511203916
2001	180.22323226974424
2002	172.51689620361813
2003	173.57565382981986
2004	169.41480999133933
2005	163.3246785051224
2006	156.60931506805161
2007	153.55436129054826
2008	155.05822464227083
2009	151.3863130665184
2010	147.11676447817055
2011	145.04211743116284
2012	144.09706792487296
2013	140.01963982042076
2014	136.04724974677126
