Year Percent of GDP 1980 14.3 1981 14.3 1982 14.3 1983 14.3 1984 14.3 1985 14.3 1986 14.3 1987 14.3 1988 14.3 1989 13.594 1990 1.177 1991 8.587 1992 11.22 1993 25.12 1994 25.476 1995 27.144 1996 28.103 1997 28.3 1998 29.05 1999 27.63 2000 29.61 2001 31.173 2002 33.221 2003 35.445 2004 33.45 2005 33.757 2006 34.537 2007 39.566 2008 36.493 2009 37.163 2010 35.694 2011 29.751 2012 27.243 2013 26.676 2014 26.833 2015 27.581 2016 26.578 2017 26.582 2018 26.567 2019 26.043 2020 25.975 2021 26.046 2022 25.904 2023 25.703 2024 25.463