Year kg of oil equivalent (constant 2021 PPP) 1990 177.13415432303717 1991 181.70916321124807 1992 176.69403117448388 1993 175.17822785874958 1994 162.0810189842083 1995 159.9442939911541 1996 157.79906199393474 1997 151.79938410998278 1998 140.9846673253004 1999 131.56446497382396 2000 124.9156537983146 2001 124.3015528128969 2002 120.41867350607068 2003 119.43830882672306 2004 112.69218717052875 2005 108.63058735576075 2006 104.47396297118738 2007 98.02019697822598 2008 94.03552041923496 2009 90.7478063259818 2010 93.17931667362856 2011 89.83379445395418 2012 86.42006229956067 2013 83.8619985168985 2014 79.72416362930838