Year Percent of GDP 1992 23.715 1993 22.583 1994 1.873 1995 23.779 1996 29.003 1997 34.238 1998 34.665 1999 26.495 2000 20.674 2001 20.677 2002 34.576 2003 53.17 2004 57.99 2005 41.535 2006 29.859 2007 21.525 2008 18.694 2009 18.949 2010 18.06 2011 20.268 2012 22.317 2013 25.658 2014 27.51 2015 27.914 2016 25.682 2017 24.148 2018 26.426 2019 26.37 2020 29.923 2021 27.278 2022 26.917 2023 27.456 2024 27.473