Year kg of oil equivalent (constant 2011 PPP) 1992 253.217648620118 1993 234.314964175479 1994 199.385388039799 1995 203.560002135288 1996 195.567999702914 1997 180.091013341286 1998 115.037765563757 1999 119.261935847878 2000 124.256537757237 2001 119.714284796901 2002 117.270688956868 2003 129.010565754052 2004 117.975764778137 2005 117.85900764712 2006 108.422299927906 2007 110.400318123394 2008 115.125157604025 2009 118.610147733404 2010 119.1186295973 2011 112.386668365865