Year kg of oil equivalent (constant 2021 PPP) 1990 77.08398898301033 1991 76.97272875240996 1992 76.74821666488903 1993 69.28351649920265 1994 77.56360943592648 1995 77.08120203239434 1996 75.91526736267234 1997 77.79948259160486 1998 77.04778583011463 1999 75.64646358447001 2000 77.67247435718788 2001 73.52111034378636 2002 74.66377126432627 2003 71.63141596501895 2004 63.162386737446106 2005 62.74958733819552 2006 59.50607764851038 2007 56.34280321981363 2008 54.74329670890735 2009 53.21877920870388 2010 51.623607435045756 2011 50.97675610103978 2012 52.4034192157054 2013 47.10422975189438 2014 44.05122859204842