Year kg of oil equivalent (constant 2021 PPP) 1990 175.35611771849432 1991 181.5035500371193 1992 181.9103490996411 1993 190.60613774846618 1994 191.50853373583323 1995 192.2997876616465 1996 188.39923583678197 1997 185.78238364244865 1998 183.7774896353037 1999 186.03342007750456 2000 180.92049511203916 2001 180.22323226974424 2002 172.51689620361813 2003 173.57565382981986 2004 169.41480999133933 2005 163.3246785051224 2006 156.60931506805161 2007 153.55436129054826 2008 155.05822464227083 2009 151.3863130665184 2010 147.11676447817055 2011 145.04211743116284 2012 144.09706792487296 2013 140.01963982042076 2014 136.04724974677126