Year	kg of oil equivalent (constant 2021 PPP)
1990	48.47298542452395
1991	50.29403511692396
1992	59.46571928922422
1993	56.656765587438194
1994	53.40706382764198
1995	52.32489409460992
1996	51.84732935961531
1997	49.77995075067912
1998	46.18866051484004
1999	48.87387693773113
2000	51.43567963274307
2001	49.99749832829807
2002	50.861898727633886
2003	52.33126198710523
2004	59.36931838466875
2005	57.07986768039062
2006	57.54411421480458
2007	57.316943987755664
2008	55.66356122669776
2009	55.84850352251743
2010	53.99725769842528
2011	51.818986739703725
2012	50.22756606552264
2013	50.15028654046148
2014	49.062716005752904