Year	kg of oil equivalent (constant 2021 PPP)
1990	170.2381102207797
1991	170.42156884868166
1992	168.0150309057135
1993	166.0531475258286
1994	161.2432598261307
1995	161.1362051780897
1996	156.77088915657316
1997	151.4345876935278
1998	148.52144833005497
1999	146.37257875378967
2000	141.42456714570892
2001	139.70366992729427
2002	138.16579493529332
2003	139.084003182071
2004	138.20905156863304
2005	136.40313688091908
2006	133.39712251201462
2007	129.16759820266276
2008	126.53567891848913
2009	126.73434820228762
2010	126.43051342419055
2011	124.91716950875023
2012	123.04591403571713
2013	119.76418324857349
2014	116.6523566297175