Year	% of GDP
1960	29.497306968917403
1961	29.605058462699503
1962	25.288763089850118
1963	27.0607437651947
1964	27.721899793523434
1965	36.08323160300806
1966	36.688175120805845
1967	32.38022498902783
1968	36.43809041625223
1969	38.07815089292176
1970	37.99491755858627
1971	34.24286652078775
1972	34.64916158536585
1973	37.27460493424628
1974	43.63394263105835
1975	41.338881278538814
1976	44.46214265253509
1977	42.4488518826312
1978	39.011320924985895
1979	44.66205885195206
1980	46.862603171967116
1981	46.50740452809602
1982	46.98194285369823
1983	44.209454702749476
1984	54.09864927605601
1985	47.45582291860971
1986	39.023458319672834
1987	35.84028408045624
1988	35.84139612472732
1989	40.209268042904114
1990	41.531918373244714
1991	42.10986349335896
1992	45.584820067658136
1993	43.13785610404966
1994	43.56343962472406
1995	43.18297851116007
1996	41.467997744829425
1997	43.498959690883936
1998	43.71552056615431
1999	45.59388919799699
2000	51.69004856515825
2001	50.18894089129219
2002	44.170798411019305
2003	39.7571081369116
2004	41.902614859050594
2005	41.79650091753253
2006	43.78117328666775
2007	42.149897146346824
2008	48.785646864407674
2009	41.61283757147195
2010	42.324625092694475
2011	44.43023472638748
2012	42.879913325953446
2013	41.42583410768801
2014	41.79051445068434
2015	39.81320582269956
2016	36.96964639755009
2017	37.8569817650646
2018	39.399271669938145
2019	38.46896386288014
2020	35.51005020193505
2021	37.308972509913495
2022	40.25435978712242
2023	36.091667958806504