Year Percent of GDP 1981 35.861 1982 36.487 1983 36.58 1984 37.243 1985 37.563 1986 33.526 1987 33.473 1988 32.526 1989 34.976 1990 36.218 1991 33.937 1992 17.986 1993 21.348 1994 19.199 1995 18.504 1996 18.599 1997 19.455 1998 20.406 1999 19.929 2000 24.56 2001 26.357 2002 26.295 2003 25.916 2004 25.939 2005 27.548 2006 33.778 2007 37.939 2008 33.107 2009 30.255 2010 32.001 2011 33.918 2012 29.816 2013 31.206 2014 27.784 2015 25.083 2016 23.533 2017 28.401 2018 26.002 2019 26.115 2020 25.492 2021 25.408 2022 25.542 2023 25.435 2024 25.013