Year kg of oil equivalent (constant 2021 PPP) 1990 68.45720913263231 1991 69.40847888027616 1992 74.12303379709046 1993 100.9865228957504 1994 101.01417376389954 1995 87.76825929556024 1996 79.54137190265547 1997 75.76242724703799 1998 72.18496990262301 1999 74.20155726448773 2000 73.9602018430455 2001 74.0979403562803 2002 68.19997236697854 2003 71.45734880966927 2004 66.26342367601322 2005 55.66913516651513 2006 54.75460354214359 2007 51.22773082559303 2008 49.87901375880842 2009 53.74383936547467 2010 54.00027410314757 2011 54.20476907982408 2012 54.802613240214725 2013 52.28142658897474 2014 52.70117686107658