Year Percent of GDP 2000 79.639 2001 83.725 2002 90.22 2003 92.887 2004 91.323 2005 88.184 2006 80.036 2007 73.044 2008 71.863 2009 74.546 2010 70.694 2011 68.732 2012 68.384 2013 67.046 2014 65.755 2015 63.757 2016 61.968 2017 60.404 2018 59.587 2019 58.959 2020 58.098 2021 57.208 2022 56.357 2023 55.585 2024 54.89