Year kg of oil equivalent (constant 2011 PPP) 2000 171.754398773003 2001 165.107660651767 2002 166.429910595063 2003 165.057554691126 2004 172.430229661074 2005 166.777222066841 2006 161.65885280013 2007 163.9760893161 2008 156.668494171154 2009 167.285640864707 2010 166.632778344343 2011 141.494303312473 2012 148.767456962822 2013 178.049143292225 2014 166.656700335131