Year kg of oil equivalent (constant 2011 PPP) 1990 98.8198548604834 1991 104.405722850065 1992 108.462381268835 1993 114.293230110272 1994 120.16251742678 1995 121.026937345176 1996 113.740730207927 1997 120.714221533565 1998 110.832091306731 1999 112.820961056575 2000 107.838467022293 2001 113.683151230149 2002 112.824731341432 2003 112.732414038362 2004 112.384179376886 2005 117.028815860378 2006 115.026994536616 2007 113.385580937956 2008 115.81359821937 2009 116.797009738111 2010 112.309949980008 2011 114.410381005478 2012 118.060019359945 2013 118.716736826808 2014 121.993854948156