Year Percent of GDP 1980 9.097 1981 8.321 1982 26.683 1983 22.755 1984 22.676 1985 44.289 1986 22.74 1987 26.685 1988 25.625 1989 21.163 1990 27.514 1991 30.62 1992 27.242 1993 29.075 1994 32.841 1995 32.81 1996 21.106 1997 24.128 1998 17.492 1999 11.587 2000 8.503 2001 11.629 2002 13.7 2003 14.918 2004 14.758 2005 13.767 2006 17.935 2007 18.311 2008 13.331 2009 15.595 2010 13.306 2011 14.666 2012 14.99 2013 16.436 2014 15.453 2015 15.437 2016 15.464 2017 16.159 2018 11.6 2019 15.215 2020 15.316 2021 15.258 2022 15.143 2023 14.889 2024 14.551