Year % of GDP 2005 2.69436332580307 2006 2.2907131630738897 2007 1.74405848731746 2008 1.87218246206494 2009 1.8437612729969102 2010 1.81434774678489 2011 1.7489693026788902 2012 1.6564617725083899 2013 1.45226142609027 2014 1.4722723486951699 2015 1.40371759825531 2016 1.41128063506996 2017 1.36277677368932 2018 1.3692948727571401 2019 1.33441196432034 2020 1.73802726045562 2021 1.55528019503059 2022 1.60746495179336