Year Percent of GDP 2000 65.563 2001 70.056 2002 78.866 2003 73.896 2004 70.167 2005 68.659 2006 65.92 2007 63.789 2008 61.904 2009 65.003 2010 63.076 2011 61.204 2012 62.187 2013 60.196 2014 62.307 2015 72.574 2016 78.33 2017 84.052 2018 87.877 2019 90.36 2020 92.409 2021 94.122 2022 95.606 2023 96.538 2024 97.629