Year	kg of oil equivalent (constant 2011 PPP)
1990	253.19139598134
1991	241.395245119623
1992	238.302777295833
1993	236.184494980202
1994	218.044254480147
1995	214.26084687954
1996	211.91049420701
1997	201.612255320475
1998	186.765886922574
1999	174.095634153819
2000	165.164619672362
2001	164.486381367039
2002	159.447176117559
2003	158.148267183568
2004	149.25895328325
2005	143.92211956448
2006	138.439367595349
2007	129.826365034799
2008	124.651917248202
2009	120.214280142107
2010	123.199788748754
2011	119.173996448669
2012	114.687943927118
2013	110.389655704444
2014	105.117394246807