Year 2017 PPP (%) 2006 11.6 2007 5.3 2008 3.9 2009 3.7 2010 5 2011 5.5 2012 5.4 2013 5.4 2014 4.2 2015 6.1 2016 4.5 2017 3.6 2018 2.8 2019 2.8 2020 1.6 2021 2.2