Year	kg of oil equivalent (constant 2021 PPP)
1990	72.80816096980274
1991	79.62743814310679
1992	74.72962672766953
1993	76.73114968932445
1994	75.40006040364318
1995	72.50753775679382
1996	79.73159539180433
1997	71.54671782562941
1998	68.86056557742887
1999	64.09583034292366
2000	60.04257286096373
2001	61.38189756252252
2002	60.45692356116938
2003	63.67834812007297
2004	60.004365931352446
2005	57.005586261180156
2006	58.8355710478823
2007	56.90614492245146
2008	55.61296756438264
2009	55.9029538620165
2010	58.12697450696375
2011	52.99329041627593
2012	50.795514028079374
2013	51.08783966222776
2014	46.44267652459105
2015	44.81104336356678