Year Percent of GDP 1980 46.71 1981 42.509 1982 37.703 1983 34.683 1984 34.494 1985 36.168 1986 45.057 1987 37.733 1988 31.768 1989 31.678 1990 28.353 1991 38.441 1992 44.077 1993 52.556 1994 49.609 1995 32.07 1996 27.841 1997 25.171 1998 22.94 1999 24.32 2000 28.099 2001 26.701 2002 33.493 2003 42.669 2004 43.473 2005 42.008 2006 52.332 2007 49.177 2008 47.203 2009 41.946 2010 42.306 2011 28.843 2012 29.994 2013 30.351 2014 28.395 2015 32.87 2016 36.173 2017 36.751 2018 36.751 2019 36.751 2020 36.751 2021 36.751 2022 36.751 2023 36.751 2024 36.751