Year Percent of GDP 1994 71.418 1995 72.02 1996 66.932 1997 59.933 1998 51.847 1999 50.24 2000 55.58 2001 57.776 2002 66.664 2003 67.94 2004 68.059 2005 67.888 2006 73.319 2007 75.168 2008 81.051 2009 97.337 2010 104.307 2011 108.729 2012 121.531 2013 132.783 2014 137.564 2015 145.52 2016 147.897 2017 156.378 2018 123.404 2019 116.159 2020 109.018 2021 102.1 2022 95.401 2023 89.501 2024 85.261