Year Percent of GDP 1980 35.714 1981 32.429 1982 20.019 1983 14.231 1984 15.835 1985 20.515 1986 12.786 1987 14.39 1988 10.892 1989 15.417 1990 22.48 1991 15.95 1992 16.071 1993 16.542 1994 24.188 1995 25.85 1996 25.658 1997 19.091 1998 22.35 1999 21.096 2000 23.064 2001 30.952 2002 23.115 2003 33.43 2004 32.889 2005 53.83 2006 53.76 2007 45.644 2008 51.382 2009 37.071 2010 36.892 2011 34.46 2012 30.851 2013 37.043 2014 32.903 2015 27.967 2016 16.577 2017 21.618 2018 15.28 2019 11.457 2020 11.831 2021 12.092 2022 12.499 2023 12.787 2024 13.047