Year kg of oil equivalent (constant 2021 PPP) 1990 175.25926355619757 1991 181.50355003711934 1992 181.91034909964114 1993 190.60613774846615 1994 191.50853373583317 1995 192.2997876616465 1996 188.39923583678197 1997 185.78238364244865 1998 183.77748963530368 1999 186.03342007750456 2000 180.9204951120392 2001 180.22323226974424 2002 172.51689620361813 2003 173.57565382981986 2004 169.41460579901982 2005 163.308209599959 2006 156.5944529502102 2007 153.52028582651343 2008 155.05822464227083 2009 151.38631306651845 2010 147.11676447817058 2011 145.04211743116284 2012 144.09706792487296 2013 140.01963982042076 2014 136.04724974677126