Year	% of GDP
1960	99.35974389755903
1961	97.11634073583029
1962	96.66575567094836
1963	91.12825458052073
1964	90.98283087738272
1965	92.3983642049555
1966	88.27502110496201
1967	89.03014616321559
1968	85.58686277984523
1969	82.12590952230306
1970	83.62654652077522
1971	85.58173356602677
1972	83.22047004241159
1973	77.60751180504045
1974	78.46805819101834
1975	80.19082666261997
1976	75.1706649715328
1977	71.74402545128197
1978	69.60981136575961
1979	69.8246729398839
1980	74.62838356605774
1981	74.84930480895837
1982	73.3656736479386
1983	69.57363458631818
1984	67.10577379430038
1985	66.56246418630722
1986	63.51157149820656
1987	60.74661990602953
1988	58.79507954740822
1989	61.35789840641055
1990	61.20264544302295
1991	61.084430910285384
1992	61.9883274819414
1993	61.86379077692744
1994	62.02705873446348
1995	62.00168059227147
1996	63.639549199156
1997	63.609567348300324
1998	61.717583248280526
1999	63.68871237444057
2000	65.40010779050338
2001	67.15530352480187
2002	67.8374134252906
2003	66.21884124605161
2004	63.981364960913176
2005	65.17956383627389
2006	66.40136276646366
2007	65.91881579229928
2008	66.58254322304352
2009	66.33108438336922
2010	64.64000909715568
2011	65.57143116333842
2012	65.95357136954821
2013	65.48263544886922
2014	65.16112153278374
2015	63.624084480504585
2016	63.195823296642494
2017	62.964445898568734
2018	64.07509965005659
2019	65.7104831644157
2020	64.43027872762268
2021	64.11779933501538
2022	66.84798997712018
2023	67.82611273634376