Year	% of GDP
1960	11.558175294720655
1961	11.784726653903425
1962	6.239233016253464
1963	7.114809274495139
1964	7.124132613723979
1965	5.608603964571911
1966	8.80025324469769
1967	7.372021703231894
1968	7.459340868984595
1969	7.321559970566593
1970	8.77245508982036
1971	9.286492374727668
1972	9.070990359333917
1973	10.602067106938726
1974	7.853940978707509
1975	9.916551315008897
1976	10.28338300995041
1977	10.927004266018612
1978	11.689527829068847
1979	11.657621762725837
1980	10.316047502844054
1981	10.712976844910878
1982	11.456317517599434
1983	10.960058400816308
1984	10.477768026576364
1985	12.035476896309998
1986	11.242477758740232
1987	9.424605161640772
1988	8.976332959900017
1989	9.389375941698013
1990	9.534441188319668
1991	9.138088249647614
1992	9.516265879650383
1993	9.023312201804984
1994	8.114181451139228
1995	7.829064048838089
1996	7.566958585570294
1997	6.842805065765933
1998	5.693507792542742
1999	6.604456942039312
2000	6.531994972692962
2001	6.889059369916699
2002	7.257458338396913
2003	8.129486263570092
2004	8.321868005513657
2005	8.10950772075692
2006	8.627168801977756
2007	8.34646967931201
2008	8.42378092012958
2009	9.589178146470728
2010	9.005914993111075
2011	9.058677180483588
2012	9.248788371513902
2013	9.51771996276189
2014	9.425025718550545
2015	9.749413769312646
2016	9.527810090343456
2017	9.120571151990566
2018	9.021231804067673
2019	8.808471290592964
2020	9.655750531562019
2021	9.246941615038317
2022	7.683280589244182
2023	7.4453940450705165