Year % of GDP 1980 12.336489127387988 1981 24.778549614877623 1982 28.495342081082125 1983 32.992571456294236 1984 25.89531705376383 1985 24.26018796870621 1986 25.716436570919875 1987 19.60944028522617 1988 17.833658141253437 1989 21.32439664507339 1990 22.112058869374305 1991 17.734406449177598 1992 18.519729736370262 1993 14.583723479534122 1994 20.569644124982702 1995 26.586483676818816 1996 30.728858082347454 1997 34.19566526597882 1998 35.541129726680424 1999 38.9554689221036 2000 39.76133114180029 2001 45.38401472584896 2002 48.003533665459805 2003 48.93528783992928 2004 48.892514561772934 2005 50.542801965880976 2006 58.26609381492247 2007 48.34110548908815 2008 49.68923247138156 2009 43.50652110656614 2010 44.64944694369893 2011 44.92761987271162 2012 50.18233063544524 2013 48.971037568589985 2014 48.83545501220334 2015 44.453391608033435 2016 47.196375869556675 2017 46.886131544957635 2018 48.20972273468345 2019 48.62374678603397 2020 28.168587699165283 2021 25.141589900544286 2022 35.84043463516039 2023 37.51792684728122