Year	kg of oil equivalent (constant 2011 PPP)
1990	310.08093465791
1991	285.927948501733
1992	269.04777612007
1993	258.574315349466
1994	244.239580688284
1995	239.806851453403
1996	228.103599682457
1997	215.951967715886
1998	214.270205381319
1999	207.335448234283
2000	200.782719570864
2001	195.294838421625
2002	192.984735463563
2003	198.669068609991
2004	205.140511022046
2005	204.319636001072
2006	199.475359745388
2007	191.295465055085
2008	182.445141699764
2009	180.281081906637
2010	180.409447188789
2011	176.507162462142
2012	170.673123668699
2013	164.970566756625
2014	158.078568432353