Year	% of GDP
1960	56.06922076496821
1961	48.783389678640695
1962	47.68774235669209
1963	63.559383544630364
1964	64.88388759657504
1965	64.24598107373097
1966	63.70975144455273
1967	56.87326786987094
1968	56.36951625649027
1969	55.14116479024283
1970	53.89862070438086
1971	55.37210376373889
1972	53.51729662542846
1973	49.82329729126697
1974	44.94412159892862
1975	49.51309576490432
1976	46.97090191852715
1977	49.53093923407799
1978	47.016380745289545
1979	44.10724399962077
1980	41.7230755378367
1981	44.200624731970024
1982	44.60501142175377
1983	44.073598045451774
1984	50.56053667138393
1985	51.87091996182007
1986	57.76293584549662
1987	57.15168435062462
1988	59.34191262834929
1989	61.80014135454564
1990	56.83699187157938
1991	47.92184911846064
1992	51.774470630137934
1993	54.93996430558653
1994	55.56821798779429
1995	55.12910552061182
1996	52.731514972892256
1997	51.44594079134968
1998	54.9973461454764
1999	51.59396676793698
2000	41.571048382520345
2001	41.77846969018924
2002	42.06482622426414
2003	39.23105354203277
2004	37.753766784356266
2005	34.49745734978195
2006	32.07345843694484
2007	32.14545044242508
2008	30.43143450806519
2009	36.67426026516271
2010	33.26462360325923
2011	30.37718834989987
2012	31.959384072392332
2013	34.43518703134518
2014	35.79280727691441
2015	39.84426102513239
2016	41.12419995219212
2017	42.05682268161553
2018	41.72938494333743
2019	42.80037084293142
2020	46.566836939633504
2021	42.16455976106362
2022	37.721766694538786
2023	41.19461252315434
