Year	% of GDP
1963	88.58024691358013
1964	77.86458333333343
1965	74.48275862068962
1966	77.96610169491525
1967	79.82456140350878
1968	80.13355592654423
1969	78.735632183908
1970	76.79782903663495
1971	75.45787545787557
1972	74.08675799086761
1973	72.78761061946882
1974	55.700076511094124
1975	74.51286048324211
1976	66.61775495231142
1977	62.85545023696684
1978	65.20127118644055
1979	61.56015037593973
1980	63.59060402684564
1981	70
1982	72.2654801631441
1983	69.99999999999999
1984	69.98087954110905
1985	67.70802919708031
1986	68.01850843767018
1987	69.39264784230166
1988	75.00606648871631
1989	78.19740500463396
1990	54.9683028963592
1991	55.567232858035545
1992	56.650018764975904
1993	81.68301058519498
1994	56.08736167734419
1995	58.685201899305426
1996	68.12871131041027
1997	70.58424476320386
1998	75.57324087936338
1999	75.46555531271898
2000	68.76683397605953
2001	70.04480853645049
2002	69.399119554035
2003	67.93946879364692
2004	66.11742615557398
2005	75.32539397542834
2006	80.20611782607918
2007	83.17208330283387
2008	83.33426750462223
2009	84.27478298112314
2010	83.00089346867031
2011	83.33935610077519
2012	81.00566847372085
2013	79.96892635030497
2014	78.74298596570141
2015	78.04863309939685
2016	77.89794347116718
2017	77.041980101917
2018	76.56823071406617
2019	76.66983964267409
2020	74.46507806080525
2021	77.7037762401022
2022	79.94344350924979
2023	78.0812905243744