Year % of GDP 2005 11.101882239665882 2006 11.65724699834063 2007 12.162730944796966 2008 12.352396906116287 2009 11.730954885297528 2010 12.097144805546385 2011 12.389057661561752 2012 12.273219484648537 2013 12.124579012441806 2014 11.81743409378617 2015 11.66823138838265 2016 11.462495234357815 2017 11.581123130981243 2018 11.583199496267865 2019 11.20710620944582 2020 10.905018693480939 2021 11.17094332715342 2022 11.08754483457997