Year Percent of GDP 1980 10.247 1981 13.367 1982 9.715 1983 7.216 1984 13.082 1985 16.607 1986 15.899 1987 13.343 1988 12.112 1989 17.205 1990 14.027 1991 13.195 1992 14.041 1993 14.702 1994 19.006 1995 16.882 1996 15.09 1997 16.092 1998 17.753 1999 12.756 2000 3.456 2001 1.737 2002 5.506 2003 8.074 2004 5.226 2005 8.708 2006 7.616 2007 10.54 2008 8.569 2009 13.833 2010 15.804 2011 11.472 2012 7.795 2013 7.448 2014 13.42 2015 5.186 2016 8.893 2017 7.968 2018 9.091 2019 10.558 2020 11.769 2021 11.247 2022 10.758 2023 10.328 2024 9.604