Year MJ/$2017 PPP GDP 2000 4.33 2001 4.4 2002 4.35 2003 4.43 2004 4.38 2005 4.32 2006 4.14 2007 4 2008 4.02 2009 3.95 2010 4 2011 3.84 2012 3.83 2013 3.82 2014 3.63 2015 3.65 2016 3.54 2017 3.46 2018 3.37 2019 3.26 2020 3.18 2021 3.23 2022 2.83