Year kg of oil equivalent (constant 2021 PPP) 1990 148.07550620217242 1991 161.88724864551855 1992 184.18716832216185 1993 217.1169843636858 1994 226.74400972664006 1995 234.71490101360587 1996 245.20058667386428 1997 264.3598108268599 1998 275.30359661342465 1999 288.76215029703883 2000 310.51627365334053 2001 327.8276728605208 2002 329.5051310666691 2003 323.73603815276215 2004 315.3900460310024 2005 308.6537893108106 2006 304.15997233571306 2007 296.6605930785925 2008 289.5841523526628 2009 289.99472596835824 2010 280.71616399729703 2011 278.9472355540892 2012 323.1905178911747 2013 313.0952055303303 2014 298.8586194420226