Year Percent of GDP 1980 22.573 1981 25.492 1982 20.974 1983 18.436 1984 15.051 1985 14.259 1986 14.81 1987 14.811 1988 16.209 1989 17.69 1990 17.454 1991 15.49 1992 8.482 1993 10.989 1994 12.633 1995 13.818 1996 13.846 1997 17.549 1998 21.045 1999 21.609 2000 20.136 2001 17.435 2002 19.597 2003 20.456 2004 21.275 2005 21.13 2006 21.271 2007 18.975 2008 18.297 2009 16.952 2010 15.88 2011 17.055 2012 16.18 2013 16.523 2014 16.534 2015 16.886 2016 16.018 2017 10.947 2018 11.26 2019 11.606 2020 11.879 2021 11.676 2022 11.665 2023 12.161 2024 12.075