Year	kg of oil equivalent (constant 2021 PPP)
1990	79.61334254945658
1991	79.42871500761677
1992	78.99887156460966
1993	76.7893307882564
1994	76.07586694980421
1995	76.7932615204028
1996	77.0233485373912
1997	76.29444236641297
1998	76.48620410526378
1999	77.64884461689964
2000	75.65430760208992
2001	76.26487319406652
2002	76.79512355638384
2003	77.60228899165982
2004	76.6783363935139
2005	76.88761107469742
2006	75.98692449201434
2007	74.1028001184624
2008	73.21816173482097
2009	74.22163209465472
2010	72.96928094031539
2011	71.88422325071184
2012	72.6704031883485
2013	72.5115817940818
2014	72.72116462687899