Year Percent of GDP 1980 9.145 1981 8.192 1982 11.153 1983 9.831 1984 13.344 1985 12.3 1986 11.105 1987 7.879 1988 7.612 1989 6.061 1990 3.726 1991 2.126 1992 5.996 1993 6.533 1994 5.569 1995 11.085 1996 8.313 1997 5.928 1998 8.27 1999 -3.219 2000 -1.974 2001 0.955 2002 1.309 2003 0.833 2004 3.57 2005 4.442 2006 4.638 2007 7.221 2008 -2.164 2009 2.334 2010 5.83 2011 5.736 2012 9.607 2013 11.893 2014 8.504 2015 6.694 2016 5.868 2017 12.052 2018 12.978 2019 14.947 2020 16.537 2021 17.659 2022 18.05 2023 18.6 2024 18.727