Year	kg of oil equivalent (constant 2011 PPP)
1990	134.406186383758
1991	134.219798056445
1992	131.578981487432
1993	131.821640417686
1994	127.904394565372
1995	128.834816145639
1996	130.600045392525
1997	125.651428546273
1998	122.68464728055
1999	118.201162095803
2000	114.547002845372
2001	114.601275993045
2002	112.757804888627
2003	113.541758889879
2004	111.650286258815
2005	109.547164393566
2006	106.221331814409
2007	101.079528318473
2008	99.8951070219912
2009	98.3301400641643
2010	100.181450482601
2011	94.6481387238458
2012	94.2752689891501
2013	92.9264970535375
2014	87.8006658397312
2015	86.6555178772988