Year	% of GDP
1960	9.779625717221254
1961	10.2714050298011
1962	10.201980686060626
1963	14.083865908219309
1964	11.528106052980334
1965	11.351351351351353
1966	11.920528463663652
1967	13.622755988023952
1968	13.991765708706252
1969	14.026622529561106
1970	19.664800074905013
1971	18.74405328258801
1972	17.695852534562214
1973	15.580391061452515
1974	9.254772666128599
1975	12.21885813148789
1976	10.568766513697678
1977	18.096203998840917
1978	13.686947329376856
1979	12.084996897300652
1980	13.227162132271623
1981	14.244878513577893
1982	15.712002691563631
1983	17.201888106476822
1984	18.275285952962346
1985	20.413195601466178
1986	25.782641893611608
1987	24.55642298258318
1988	19.78810960010109
1989	14.17446649195058
1990	13.40244353942984
1991	14.270230763527907
1992	15.495318390012566
1993	15.302317681795616
1994	11.987643363251957
1995	11.756605526826116
1996	11.24138286185114
1997	10.800553214756683
1998	15.466918714555767
1999	11.779867641936608
2000	9.560085361121889
2001	15.998165819885035
2002	16.464146254545394
2003	16.200046819107705
2004	15.007155526790273
2005	12.535320902908856
2006	13.339803039699358
2007	13.674128951407003
2008	12.430484179436133
2009	16.123628728348447
2010	13.486944383207572
2011	12.793716049348719
2012	14.030807610175566
2013	14.456219599681896
2014	14.849469127346593
2015	14.816398045436976
2016	14.64120170711427
2017	13.231705164446634
2018	10.565803708526508
2019	10.993429292295867
2020	13.171299840310086
2021	11.365443409741296
2022	10.48331049134555
2023	11.639923483885854