Year Percent of GDP 1990 76.271 1991 64 1992 72.543 1993 80.842 1994 74.987 1995 78.158 1996 70.706 1997 73.542 1998 69.824 1999 68.572 2000 70.192 2001 65.404 2002 64.253 2003 61.609 2004 58.906 2005 59.27 2006 54.806 2007 50.935 2008 45.443 2009 46.126 2010 48.998 2011 52.547 2012 56.532 2013 61.727 2014 63.339 2015 63.688 2016 64.858 2017 65.109 2018 65.177 2019 65.11 2020 64.276 2021 63.073 2022 61.961 2023 60.893 2024 60.032