Year kg of oil equivalent (constant 2021 PPP) 1990 76.50444336542908 1991 82.87787947032515 1992 80.83483023260754 1993 80.41146784527398 1994 81.34853437324583 1995 82.58988396981223 1996 78.29626817791792 1997 84.01393828466841 1998 84.18991631581206 1999 85.51031816477713 2000 88.46255442425459 2001 91.74339247722747 2002 92.08796792189104 2003 94.64861493788617 2004 93.0505788642249 2005 93.23203583633484 2006 93.84652236695943 2007 87.17045895022427 2008 85.69590764276282 2009 81.99385071413201 2010 80.9787621991515 2011 78.78796704794163 2012 75.39858708409469 2013 69.66093397743509 2014 69.79960115576759