Year $ 2017 PPP (%) 2000 26.59 2006 18.53 2008 13.72 2009 13.23 2010 11.4 2011 10.49 2012 8.9 2013 7.46 2014 7.2 2015 6.57 2016 5.9 2017 5.77 2018 4.87 2019 4.83 2020 7.8 2021 7.47