Year kg of oil equivalent (constant 2011 PPP) 1990 125.858763817626 1991 124.515410787096 1992 119.054405935135 1993 118.129771756359 1994 117.23928482907 1995 107.862586359725 1996 107.058579004903 1997 101.664283066955 1998 99.220910362401 1999 94.1774047140275 2000 89.2304768777221 2001 88.1771800295921 2002 83.4738413433971 2003 79.0683144096827 2004 76.3784517698467 2005 72.7211739268559 2006 69.4898469556288 2007 67.751018283555 2008 69.8013529628114 2009 71.0322692464725 2010 70.2049689062775 2011 63.8803700327015 2012 63.7321800525069 2013 62.370454229408 2014 56.3665436529005 2015 46.76062935633