Year Percent of GDP 2000 58.93 2001 51.729 2002 62.116 2003 66.444 2004 87.015 2005 71.088 2006 43.331 2007 28.375 2008 21.261 2009 24.201 2010 18.645 2011 15.972 2012 12.516 2013 12.094 2014 15.846 2015 23 2016 30.564 2017 35.145 2018 39.977 2019 45.263 2020 48.81 2021 51.338 2022 52.784 2023 53.41 2024 53.186