Year Percent of GDP 1984 153.525 1985 125.881 1986 102.863 1987 77.073 1988 64.696 1989 59.706 1990 58.049 1991 67.422 1992 70.989 1993 63.278 1994 52.586 1995 42.771 1996 35.602 1997 32.085 1998 31.231 1999 29.086 2000 30.284 2001 27.109 2002 23.181 2003 18.429 2004 12.885 2005 7.506 2006 2.842 2007 -0.749 2008 -2.179 2009 1.079 2010 4.724 2011 8.788 2012 10.823 2013 10.992 2014 10.355 2015 9.85 2016 9.098 2017 7.964 2018 8.8 2019 10.319 2020 10.781 2021 10.465 2022 8.838 2023 6.462 2024 4.185