Year Percent of GDP 1980 31.515 1981 36.999 1982 39.837 1983 30.519 1984 38.117 1985 26.235 1986 5.999 1987 14.901 1988 12.67 1989 15.475 1990 21.404 1991 20.126 1992 18.433 1993 17.749 1994 19.922 1995 26.223 1996 26.826 1997 25.525 1998 13.928 1999 14.87 2000 25.985 2001 20.926 2002 24.826 2003 25.039 2004 16.12 2005 28.394 2006 35.629 2007 42.173 2008 39.538 2009 28.72 2010 31.01 2011 31.173 2012 36.53 2013 33.346 2014 31.407 2015 24.111 2016 25.076 2017 28.8 2018 25.652 2019 27.706 2020 28.063 2021 28.882 2022 29.473 2023 30.048 2024 30.085