Year MJ/$2017 PPP GDP 2000 7.94 2001 7.91 2002 6.92 2003 6.97 2004 6.97 2005 6.43 2006 5.81 2007 6.29 2008 5.84 2009 5.54 2010 7.1 2011 6.43 2012 5.74 2013 6.27 2014 5.79 2015 4.97 2016 5.98 2017 5.49 2018 5.21 2019 4.22 2020 3.92 2021 3.73 2022 4.12