Year Percent of GDP 1980 24.765 1981 25.389 1982 11.046 1983 13.652 1984 20.27 1985 34.514 1986 26.242 1987 29.623 1988 26.866 1989 25.306 1990 0.87 1991 -6.018 1992 12.797 1993 11.72 1994 9.477 1995 12.216 1996 10.476 1997 7.504 1998 6.549 1999 12.943 2000 15.581 2001 6.287 2002 3.657 2003 3.084 2004 5.592 2005 9.13 2006 19.147 2007 15.338 2008 16.15 2009 12.056 2010 10.152 2011 14.767 2012 13.803 2013 10.811 2014 10.489 2015 12.565 2016 10.151 2017 10.621 2018 13.956 2019 15.27 2020 15.065 2021 14.87 2022 14.912 2023 15.971 2024 16.242