Year 2017 PPP (%) 2006 2.6 2007 1.7 2008 1.4 2009 0.8 2010 1.5 2011 2 2012 2.2 2013 2.3 2014 2.5 2015 1.7 2016 1.1 2017 1.3 2018 0.9 2019 0.8 2020 0.7 2021 0.7