Year Percent of GDP 1980 20.826 1981 24.928 1982 22.154 1983 32.213 1984 17.694 1985 20.34 1986 21.841 1987 32.112 1988 43.625 1989 29.344 1990 15.906 1991 20.528 1992 21.6 1993 29.496 1994 54.486 1995 36.573 1996 32.79 1997 22.233 1998 26.684 1999 27.482 2000 22.626 2001 26.357 2002 22.776 2003 25.231 2004 21.322 2005 21.016 2006 22.135 2007 34.967 2008 22.376 2009 27.9 2010 22.382 2011 25.88 2012 32.19 2013 34.447 2014 49.884 2015 57.334 2016 50.884 2017 29.635 2018 18.29 2019 22.586 2020 22.113 2021 23.9 2022 25.968 2023 27.44 2024 28.648