Year Percent of GDP 1980 40.959 1981 38.278 1982 42.861 1983 37.302 1984 43.173 1985 49.33 1986 28.74 1987 25.922 1988 20.22 1989 16.857 1990 39.519 1991 25.07 1992 28.78 1993 19.485 1994 28.541 1995 30.436 1996 24.054 1997 21.539 1998 11.542 1999 15.986 2000 32.607 2001 36.364 2002 33.577 2003 27.237 2004 33.353 2005 29.438 2006 38.799 2007 42.294 2008 44.16 2009 29.504 2010 17.933 2011 11.719 2012 23.041 2013 25.054 2014 25.874 2015 24.705 2016 19.576 2017 18.802 2018 18.346 2019 19.085 2020 17.368 2021 16.904 2022 15.949 2023 15.554 2024 17.087