Year kg of oil equivalent (constant 2011 PPP) 1990 214.302800507035 1991 212.651620718717 1992 207.57849104847 1993 203.344232677162 1994 196.807976006376 1995 195.692675544825 1996 189.515714094536 1997 182.794815250708 1998 179.444801014351 1999 176.658650990429 2000 171.090784182203 2001 169.003817863778 2002 167.180593438405 2003 168.242622492381 2004 167.107629032219 2005 164.355067383769 2006 160.529485560754 2007 155.062164814672 2008 151.882766863435 2009 151.331092704938 2010 150.939360141017 2011 149.107524661465 2012 146.72080571611 2013 142.245498542972 2014 137.955677059984