Year	kg of oil equivalent (constant 2021 PPP)
1990	95.19660487298917
1991	99.57126390919812
1992	96.32194630834735
1993	98.53154149293022
1994	92.61754267619996
1995	94.48166042117123
1996	98.44063915232725
1997	93.24818296539031
1998	92.63489178236102
1999	89.42294515603646
2000	86.88924407193845
2001	88.11517691408534
2002	87.33726774211559
2003	88.17939200388956
2004	87.00926951799916
2005	85.94110419643683
2006	82.53618886487827
2007	79.66323599514712
2008	79.81001986240196
2009	78.63396619633046
2010	79.56016461658531
2011	74.92406020116498
2012	74.84935136714105
2013	74.74365976799041
2014	71.00226459443189
2015	71.10510120966676