Year Percent of GDP 1980 43.833 1981 47.545 1982 53.94 1983 44.77 1984 44.648 1985 34.174 1986 34.309 1987 34.021 1988 26.508 1989 26.368 1990 15.167 1991 33.767 1992 57.951 1993 59.457 1994 57.799 1995 62.776 1996 78.017 1997 57.265 1998 79.145 1999 64.748 2000 30.493 2001 30.493 2002 30.493 2003 30.451 2004 30.894 2005 27.557 2006 23.301 2007 25.731 2008 30.804 2009 42.821 2010 28.197 2011 26.424 2012 26.668 2013 26.143 2014 27.5 2015 34.202 2016 27.215 2017 24.13 2018 20.595 2019 19.796 2020 20.016 2021 20.229 2022 20.621 2023 21.047 2024 21.444