Year Percent of GDP 1980 30.548 1981 33.8 1982 24.655 1983 28.465 1984 26.039 1985 26.163 1986 13.893 1987 25.455 1988 11.028 1989 17.632 1990 22.047 1991 13.712 1992 12.543 1993 8.065 1994 10.145 1995 9.445 1996 15.59 1997 16.225 1998 11.907 1999 19.137 2000 31.417 2001 27.373 2002 27.439 2003 29.918 2004 31.546 2005 38.085 2006 42.368 2007 39.919 2008 44.715 2009 27.167 2010 34.686 2011 37.496 2012 34.595 2013 33.212 2014 25.875 2015 14.272 2016 10.534 2017 16.148 2018 25.59 2019 23.068 2020 26.604 2021 27.371 2022 26.618 2023 25.979 2024 25.878