Year	kg of oil equivalent (constant 2021 PPP)
1990	353.5557184311456
1991	422.05533845230934
1992	368.67350637570917
1993	214.57572909308294
1994	128.00219601399183
1995	142.8503281147151
1996	146.12953584752165
1997	147.8477140129754
1998	140.3386527752615
1999	131.35446111891198
2000	136.2905622883982
2001	123.80612127226229
2002	102.31523474651287
2003	94.76482548602252
2004	90.67468990823362
2005	95.47771142400151
2006	85.8980669454671
2007	84.23654703815193
2008	82.97636895469283
2009	83.92413507447343
2010	78.12901289491877
2011	81.60456677727595
2012	83.27260468325684
2013	78.70652371250793
2014	77.50069109067726