Year Percent of GDP 1980 15.544 1981 14.526 1982 11.2 1983 14.914 1984 16.555 1985 29.749 1986 30.669 1987 30.144 1988 30.499 1989 32.474 1990 33.88 1991 35.101 1992 35.539 1993 35.501 1994 33.698 1995 31.586 1996 31.722 1997 32.194 1998 31.876 1999 34.694 2000 34.869 2001 30.077 2002 29.026 2003 26.937 2004 32.119 2005 31.957 2006 28.187 2007 28.946 2008 28.267 2009 23.422 2010 24.556 2011 25.493 2012 25.006 2013 24.435 2014 25.1 2015 24.211 2016 24.235 2017 23.94 2018 23.195 2019 24.039 2020 24.081 2021 24.009 2022 24.034 2023 24.059 2024 24.189