Year kg of oil equivalent (constant 2021 PPP) 1990 276.8494964229425 1991 255.56734612245265 1992 240.66556078240944 1993 231.45550814500606 1994 218.79318279310957 1995 214.87697785263458 1996 204.4861206889961 1997 193.82576546243524 1998 192.38198591731035 1999 186.1885869197538 2000 180.3939966821611 2001 175.55426280999276 2002 173.54726881391213 2003 178.72649973135188 2004 184.633748893815 2005 184.07962064317994 2006 179.94141222663703 2007 172.7791328808744 2008 164.8907098725078 2009 163.1149883581205 2010 163.331649994335 2011 159.91983792271023 2012 154.646956123159 2013 149.5661148452243 2014 144.76569177243078