Year Percent of GDP 1980 15.441 1981 15.046 1982 14.695 1983 16.611 1984 14.895 1985 13.391 1986 15.222 1987 16.738 1988 14.156 1989 14.754 1990 16.306 1991 16.133 1992 18.566 1993 15.849 1994 17.104 1995 15.817 1996 13.969 1997 13.52 1998 15.62 1999 13.316 2000 16.957 2001 17.413 2002 20.218 2003 21.294 2004 18.293 2005 17.787 2006 15.696 2007 14.273 2008 11.085 2009 12.033 2010 13.577 2011 14.221 2012 13 2013 13.878 2014 13.354 2015 14.706 2016 13.94 2017 11.956 2018 10.349 2019 10.191 2020 10.324 2021 9.845 2022 9.127 2023 8.47 2024 7.936