Year % of GDP 1975 10.273473754257544 1976 7.854043231217807 1977 8.24168243399858 1978 7.703833362381536 1979 8.405890759174495 1980 9.801385944088981 1981 8.554072536191816 1982 12.012724600056265 1983 9.984276276366298 1984 9.511092229604193 1985 10.007076425792086 1986 13.47539341046407 1987 11.432434073370148 1988 11.02156900004752 1989 11.788726933866252 1990 11.842690424563349 1991 11.149867919453811 1992 10.65515061892142 1993 10.662567475417413 1994 10.229724728197146 1995 9.51721154636179 1996 9.228065673845732 1997 9.325008590968576 1998 10.282671755780985 1999 11.28468546816636 2000 11.421475319418207 2001 12.844644383132817 2002 13.557313252520121 2003 13.209702877748123 2004 12.484649816133098 2005 11.890729599734138 2006 10.545982438333624 2007 10.752735315013041 2008 12.308872218734065 2009 10.792323085621792 2010 10.76508054624993 2011 11.092943218595275 2012 10.022145244515468 2013 9.783311611326408 2014 9.687736040139363 2015 9.356851753437585 2016 9.095519240514031 2017 8.689947630333414 2018 8.71799579237583 2019 8.987125489408912 2020 7.31430347160508 2021 7.664158841740512 2022 10.799925516739716 2023 9.04996096373497