Year Percent of GDP 1980 12.454 1981 7.926 1982 1.477 1983 4.111 1984 2.312 1985 8.045 1986 10.688 1987 17.609 1988 20.893 1989 30.078 1990 21.583 1991 22.759 1992 20.346 1993 21.856 1994 20.212 1995 24.926 1996 23.605 1997 23.129 1998 22.235 1999 20.984 2000 20.89 2001 20.93 2002 21.397 2003 20.049 2004 21.733 2005 22.929 2006 25.37 2007 25.112 2008 24.52 2009 22.669 2010 24.874 2011 23.366 2012 22.495 2013 21.658 2014 21.609 2015 21.382 2016 20.723 2017 19.43 2018 19.498 2019 19.941 2020 20.204 2021 20.402 2022 20.635 2023 20.843 2024 21.19