Year MJ/$2017 PPP GDP 2000 20.85 2001 20.2 2002 20.48 2003 21.62 2004 19.95 2005 18.13 2006 16.78 2007 15.52 2008 14.41 2009 13.47 2010 12.52 2011 11.66 2012 11.04 2013 10.44 2014 9.83 2015 9.15 2016 8.78 2017 8.16 2018 7.84 2019 7.41 2020 7.03 2021 6.79