Year Percent of GDP 1980 28.113 1981 20.292 1982 20.588 1983 12.545 1984 3.148 1985 12.749 1986 11.603 1987 11.653 1988 19.052 1989 13.678 1990 11.019 1991 7.476 1992 6.926 1993 6.401 1994 10.393 1995 7.831 1996 10.209 1997 11.579 1998 11.924 1999 11.847 2000 12.341 2001 13 2002 15.857 2003 16.333 2004 14.593 2005 23.094 2006 23.584 2007 22.876 2008 32.092 2009 32.113 2010 49.524 2011 43.883 2012 39.501 2013 40.176 2014 39.236 2015 42.428 2016 38.352 2017 39.951 2018 40.22 2019 45.718 2020 48.203 2021 43.639 2022 37.192 2023 35.13 2024 35.143