Year	kg of oil equivalent (constant 2021 PPP)
1990	78.55965908798412
1991	78.54984521132474
1992	78.07645278242232
1993	76.01522507798164
1994	75.28761783547056
1995	76.06329987914796
1996	76.00438429500274
1997	75.25791380223966
1998	75.33354021231551
1999	76.11540601509166
2000	74.13732655091822
2001	74.77822823887782
2002	75.2245330267331
2003	76.10538073478499
2004	75.14452852541667
2005	75.27866201906383
2006	74.28623213509069
2007	72.39823827198913
2008	71.73014990260766
2009	72.78439231993819
2010	71.50849100942156
2011	70.38512442955212
2012	71.22463312450233
2013	71.12705616800531
2014	71.7420282712475