Year Percent of GDP 1980 32.353 1981 28.779 1982 21.054 1983 17.829 1984 27.583 1985 25.86 1986 18.653 1987 25.497 1988 20.139 1989 21.124 1990 25.935 1991 21.264 1992 17.543 1993 15.001 1994 18.511 1995 20.721 1996 29.253 1997 31.961 1998 25.953 1999 28.711 2000 34.467 2001 29.082 2002 30.315 2003 29.752 2004 35.661 2005 40.639 2006 40.708 2007 37.27 2008 36.662 2009 22.513 2010 31.591 2011 30.639 2012 25.635 2013 19.028 2014 9.136 2015 2.352 2016 4.015 2017 -9.864 2018 13.061 2019 8.119 2020 4.61 2021 7.074 2022 7.79 2023 8.688 2024 7.111