Year	% of GDP
1960	79.80522808815992
1961	82.02510104233141
1962	88.38289266721594
1963	84.9694589877836
1964	81.60510268451672
1965	88.15900463939266
1966	96.01139601139602
1967	92.71054493984431
1968	88.443744932513
1969	86.82855040470935
1970	80.59880239520957
1971	77.140522875817
1972	74.53111305872042
1973	70.93760180057453
1974	67.78670153156519
1975	69.1674906070793
1976	67.65373350488468
1977	65.53362054001167
1978	66.75679240305989
1979	60.93194776646037
1980	60.51815683331977
1981	65.81894238066151
1982	69.87838866660182
1983	60.70659017389983
1984	61.8749339496501
1985	60.38948150775754
1986	63.966282415971776
1987	61.986958496806125
1988	63.13812059831899
1989	59.95405081924363
1990	63.489763657148465
1991	64.22161862245011
1992	62.83995390259904
1993	58.51199511910819
1994	59.68276883687575
1995	61.577055585294275
1996	62.35718255696925
1997	61.68126344002939
1998	67.78145201665492
1999	73.94379683188153
2000	61.650371043436756
2001	63.150161390056134
2002	67.62223702782043
2003	68.13801991642543
2004	66.76848186504711
2005	64.36249016006344
2006	62.66905670814785
2007	63.5426895366344
2008	60.621252728246034
2009	58.70275630877651
2010	56.217175797479804
2011	55.4233565436278
2012	56.389246489361376
2013	56.82946235826986
2014	57.13911658634419
2015	57.45001789727952
2016	57.82680081409619
2017	57.27557297442012
2018	56.979895632086674
2019	57.9304645760915
2020	58.933892283186275
2021	55.62881318525934
2022	53.0461750807275
2023	54.42318759655333