Year Percent of GDP 2000 401.625 2001 399.129 2002 397.795 2003 514.916 2004 466.25 2005 419.11 2006 386.931 2007 314.728 2008 201.877 2009 113.394 2010 21.791 2011 19.322 2012 17.593 2013 17.914 2014 21.676 2015 25.88 2016 28.302 2017 34.122 2018 40.541 2019 46.664 2020 52.604 2021 58.43 2022 60.928 2023 65.443 2024 66.58