Year kg of oil equivalent (constant 2021 PPP) 1990 163.36629595871347 1991 162.12785814623072 1992 158.0672325531302 1993 155.69829056575867 1994 152.4037441901868 1995 152.8793215697028 1996 147.86509402562692 1997 143.85881056317368 1998 141.00584118364313 1999 139.24892541698202 2000 135.3913394622577 2001 134.22670725436868 2002 133.6994782042622 2003 135.4819482063629 2004 136.24366901634252 2005 135.2990331608806 2006 132.77584296566937 2007 129.47961080954965 2008 127.090047041827 2009 127.33339363550277 2010 126.5308697530543 2011 124.81943971637892 2012 123.00950801207988 2013 119.80008302344558 2014 116.91908846197465