Year	% of GDP
1969	52.578381911159624
1970	53.61566601024226
1971	53.94356265534458
1972	54.53284941517771
1973	55.26707713711053
1974	54.669742729937084
1975	57.062583287624946
1976	56.74419830822161
1977	58.06681042487403
1978	59.35969031697963
1979	59.569156333730476
1980	59.2517134661233
1981	58.64332224581208
1982	59.62739898637734
1983	60.40480271794468
1984	59.12875492027443
1985	59.08514486770805
1986	61.10059374486691
1987	62.6102127220415
1988	62.39134389622708
1989	62.153604801002516
1990	62.06576416530966
1991	62.725244330170035
1992	63.65601814628044
1993	64.36117876183724
1994	64.35727176969004
1995	63.640998097388234
1996	63.78643453028654
1997	64.51499271093576
1998	65.21259463092355
1999	65.62548425471859
2000	65.74544199536733
2001	65.20032954194085
2002	66.25014716534601
2003	66.5934751662409
2004	66.70949165479533
2005	66.32007159414975
2006	65.90584829936395
2007	66.26096225592325
2008	66.22285606568623
2009	67.95061791620923
2010	68.37263586399598
2011	68.45173204337912
2012	68.72762134628756
2013	69.0706368108433
2014	69.91035797248199
2015	70.06469490208809
2016	70.21770710833968
2017	70.066626385566
2018	70.0324424053634
2019	69.96685341090087
2020	69.63403763825593
2021	69.2840577679198
2022	68.68412569414814
2023	69.31512466081158