Year Percent of GDP 1980 25.578 1981 26.644 1982 22.538 1983 18.917 1984 20.318 1985 17.377 1986 17.444 1987 22.287 1988 25.659 1989 27.372 1990 66.185 1991 68.709 1992 18.317 1993 20.387 1994 16.376 1995 14.997 1996 11.512 1997 12.383 1998 12.564 1999 21.402 2000 33.703 2001 26.971 2002 20.697 2003 20.491 2004 18.759 2005 21.624 2006 20.077 2007 18.808 2008 26.736 2009 18.26 2010 13.427 2011 15.909 2012 15.02 2013 15.292 2014 18.368 2015 22.412 2016 19.199 2017 17.648 2018 19.867 2019 21.007 2020 20.506 2021 20.066 2022 20.007 2023 20.96 2024 21.026