Year % of GDP 2001 35.433731039075 2002 55.2991212475252 2003 54.7425560184289 2004 61.1134716967661 2005 69.1915847943942 2006 79.0666889707575 2007 78.7496782773846 2008 85.9113508881267 2009 89.605567220233 2010 83.4615495494888 2011 75.3880732634198 2012 76.8012555942269 2013 74.8887465351048 2014 72.596975982596 2015 78.7659289376831 2016 84.4251449377183 2017 86.2066812169131 2018 92.7963247404047 2019 102.211132997857 2020 123.309049238329 2021 134.439255053557 2022 118.311538992713 2023 112.879393484664