Year Percent of GDP 1999 96.05 2000 60.841 2001 60.569 2002 57.827 2003 56.823 2004 52.068 2005 43.801 2006 40.842 2007 40.408 2008 36.421 2009 49.842 2010 42.38 2011 45.726 2012 47.312 2013 48.2 2014 48.722 2015 54.941 2016 68.034 2017 76.201 2018 63.164 2019 54.506 2020 42.527 2021 36.385 2022 30.93 2023 25.873 2024 22.262