Year Percent of GDP 1980 17.059 1981 11.415 1982 9.035 1983 9.013 1984 2.697 1985 7.987 1986 13.844 1987 7.619 1988 15.399 1989 8.589 1990 7.351 1991 6.225 1992 8.357 1993 7.922 1994 4.02 1995 -0.653 1996 4.393 1997 3.776 1998 4.709 1999 4.982 2000 6.034 2001 7.618 2002 4.991 2003 8.685 2004 6.543 2005 13.634 2006 14.404 2007 13.949 2008 18.5 2009 6.908 2010 24.914 2011 18.349 2012 22.885 2013 22.961 2014 23.041 2015 21.265 2016 22.11 2017 23.368 2018 22.93 2019 23.734 2020 24.106 2021 23.797 2022 21.534 2023 21.002 2024 21.628