Year	% of GDP
1960	43.615302180773966
1961	43.99291247203517
1962	45.49941815304833
1963	44.81221070486938
1964	43.67841036362003
1965	47.3987255904304
1966	43.54556723702691
1967	46.505924289008476
1968	50.26311705034995
1969	50.44027172658129
1970	51.96839820413057
1971	52.161459695726144
1972	51.880852461775554
1973	52.07995387929788
1974	51.382079242537394
1975	53.297004357433984
1976	53.893459346944105
1977	55.58792753917269
1978	51.452491499553965
1979	51.66376850747271
1980	52.28564182923519
1981	54.42494320956681
1982	52.37638103352034
1983	51.48538096633295
1984	49.61898729495352
1985	51.7520259669479
1986	54.221096459572934
1987	54.35448322609729
1988	52.22523509079922
1989	49.37509906519274
1990	52.891669584582004
1991	52.97359608043748
1992	53.33041535962991
1993	53.6634374041183
1994	54.36794101471052
1995	53.51752899662602
1996	51.02775861501275
1997	50.697362079848894
1998	50.85687891772855
1999	33.490071920323
2000	35.318663152429316
2001	37.59521954778403
2002	35.789610694817384
2003	37.20553212889274
2004	36.89730754067024
2005	38.01879157665172
2006	39.23787431152716
2007	41.00986957996226
2008	43.80281110477329
2009	44.09027850582051
2010	44.547439732312235
2011	46.979237549593556
2012	48.8721211959796
2013	49.420760900138596
2014	49.528551651517006
2015	49.24089689689928
2016	48.20319960943466
2017	48.400979223826525
2018	48.800078840191894
2019	48.0268213377537
2020	47.897332094972626
2021	45.88497316763441
2022	46.89366165167357
2023	47.72209015453744