Year Percent of GDP 1980 51.66 1981 45.89 1982 34.847 1983 25.454 1984 41.48 1985 30.409 1986 13.942 1987 16.137 1988 14.864 1989 21.644 1990 23.517 1991 19.411 1992 18.012 1993 10.373 1994 17.554 1995 23.081 1996 22.226 1997 33.761 1998 26.332 1999 38.955 2000 49.27 2001 52.793 2002 52.395 2003 59.316 2004 55.308 2005 51.11 2006 57.426 2007 60.391 2008 64.189 2009 49.497 2010 50.419 2011 60.099 2012 60.329 2013 58.252 2014 55.749 2015 45.569 2016 43.362 2017 48.452 2018 55.134 2019 53.336 2020 54.701 2021 54.214 2022 53.797 2023 51.059 2024 49.562