Year	kg of oil equivalent (constant 2021 PPP)
1990	94.22973450047218
1991	89.37775822354169
1992	86.94296865232884
1993	83.5967645547686
1994	85.57549829726288
1995	84.41377509336762
1996	87.5442701357049
1997	91.28113167099384
1998	90.72517190556088
1999	96.6594873269589
2000	92.59612693833238
2001	88.08728739258333
2002	88.36082822656454
2003	85.2527111189694
2004	85.11022452412159
2005	82.9079558332383
2006	81.37432117692052
2007	80.25506504026131
2008	76.58427202844047
2009	75.39101317727987
2010	74.41990100961131
2011	76.33227568730136
2012	79.60304538768601
2013	80.13388972856735
2014	73.44998356019286
2015	71.774519194668