Year Percent of GDP 1980 39.52 1981 62.771 1982 61.201 1983 53.801 1984 47.304 1985 47.386 1986 51.14 1987 43.739 1988 46.317 1989 50.611 1990 11.644 1991 19.596 1992 22.519 1993 31.092 1994 28.318 1995 20.405 1996 21.542 1997 20.49 1998 21.877 1999 21.703 2000 19.17 2001 22.367 2002 17.183 2003 23.671 2004 24.706 2005 37.529 2006 35.885 2007 38.705 2008 43.566 2009 34.371 2010 42.087 2011 58.151 2012 55.899 2013 53.276 2014 35.175 2015 26.413 2016 25.735 2017 34.551 2018 42.235 2019 39.514 2020 37.655 2021 37.251 2022 32.986 2023 30.567 2024 30.567