Year kg of oil equivalent (constant 2021 PPP) 1990 97.7846119345432 1991 91.07531398522082 1992 97.14018106721643 1993 97.80617282522878 1994 97.11009457244643 1995 95.53508234873793 1996 92.74348880507202 1997 94.23095802376172 1998 92.747527417845 1999 87.35129821265858 2000 87.40756754945056 2001 91.45900218853654 2002 89.9619697981073 2003 93.07156046763666 2004 86.50362346306532 2005 79.73688037863907 2006 83.24918973786069 2007 80.3561020423231 2008 85.53452039784774 2009 79.75321556330184 2010 81.3746641887597 2011 76.91871294127331 2012 78.6197413473746 2013 71.77095681204615 2014 67.76354181367036 2015 67.8182297667961