Year kg of oil equivalent (constant 2021 PPP) 1990 162.1007140391186 1991 160.72558777931715 1992 156.62757347659243 1993 154.2401984364057 1994 150.83116151701614 1995 151.36169933960173 1996 146.37195918441503 1997 142.40864438469043 1998 139.47340691235345 1999 137.65502172533618 2000 133.86227132018095 2001 132.69514420525306 2002 132.17642609738525 2003 134.083273928534 2004 135.00429397055862 2005 134.0774517498894 2006 131.611766194801 2007 128.39496864753295 2008 126.03206105952526 2009 126.32179474068461 2010 125.62066122417735 2011 123.97156859763125 2012 122.08742559914786 2013 118.8805439531818 2014 116.00664572793309