Year Percent of GDP 1980 18.153 1981 12.111 1982 15.668 1983 12.771 1984 14.632 1985 13.446 1986 12.58 1987 10.469 1988 15.03 1989 16.131 1990 14.152 1991 12.019 1992 15.022 1993 13.519 1994 17.551 1995 16.429 1996 17.57 1997 16.139 1998 18.017 1999 17.023 2000 16.482 2001 13.703 2002 14.39 2003 16.745 2004 10.782 2005 10.621 2006 10.797 2007 14.136 2008 8.67 2009 10.928 2010 11.277 2011 5.239 2012 7.701 2013 8.158 2014 7.317 2015 10.78 2016 11.767 2017 7.167 2018 8.844 2019 10.382 2020 10.601 2021 9.924 2022 9.64 2023 9.842 2024 9.506