Year Percent of GDP 1982 21.547 1983 19.477 1984 19.805 1985 20.757 1986 20.368 1987 20.608 1988 21.219 1989 21.722 1990 22.881 1991 21.888 1992 23.439 1993 25.197 1994 25.03 1995 23.075 1996 20.265 1997 20.709 1998 20.11 1999 18.277 2000 18.67 2001 19.701 2002 21.133 2003 21.105 2004 20.169 2005 21.447 2006 21.371 2007 22.095 2008 22.826 2009 23.134 2010 24.212 2011 23.572 2012 24.176 2013 25.396 2014 27.15 2015 27.195 2016 27.017 2017 25.715 2018 25.572 2019 23.853 2020 23.697 2021 23.091 2022 22.728 2023 22.562 2024 22.595