Year Percent of GDP 1980 7.657 1981 19.775 1982 14.762 1983 9.989 1984 9.81 1985 7.331 1986 5.289 1987 13.616 1988 21.262 1989 17.099 1990 26.951 1991 15.473 1992 16.77 1993 14.539 1994 11.601 1995 24.623 1996 14.115 1997 17.156 1998 19.678 1999 29.148 2000 23.95 2001 13.121 2002 17.577 2003 13.924 2004 13.908 2005 6.651 2006 12.919 2007 8.333 2008 5.142 2009 4.373 2010 8.081 2011 4.441 2012 14.9 2013 11.531 2014 17.208 2015 4.998 2016 -1.17 2017 19.017 2018 14.8 2019 14.048 2020 19.306 2021 22.748 2022 17.713 2023 24.558 2024 39.556