Year	% of GDP
1960	84.41254072196833
1961	84.11241293206795
1962	85.33794067915804
1963	86.55583171301396
1964	88.7539065090735
1965	90.01235057208294
1966	92.34384332879884
1967	91.06938972126305
1968	88.37316374939778
1969	88.06669029694277
1970	87.9538998386204
1971	89.71396802894823
1972	88.90851213967737
1973	87.24958078200396
1974	88.33305872684687
1975	90.33142750069037
1976	92.79233588539336
1977	92.54257332620867
1978	93.64038946414317
1979	92.45824526637111
1980	97.70641316512064
1981	103.19354423526744
1982	84.22116967434411
1983	86.06929781947645
1984	84.94279405766704
1985	88.68775884472008
1986	87.21685461817152
1987	87.20973181885638
1988	89.45597251328545
1989	88.40803978343857
1990	75.72774648830065
1991	78.68008512897984
1992	80.88859509198485
1993	79.14024400495784
1994	74.3112522724454
1995	73.19484091833895
1996	72.45690481468579
1997	72.60153072968498
1998	74.13707555244841
1999	81.99970694611234
2000	82.04852958847582
2001	82.68389352408242
2002	81.69516147014559
2003	80.33502636184605
2004	78.84781050832245
2005	81.05153194867466
2006	81.11864456569064
2007	79.0827306084785
2008	79.51990780994794
2009	78.69235980386078
2010	78.46679936176805
2011	78.03161702630946
2012	76.53865648399493
2013	74.15495719652655
2014	72.96880678111631
2015	75.17216426890747
2016	73.22049383103767
2017	72.62600087932866
2018	70.44971483323803
2019	68.44841410921532
2020	68.05508686696153
2021	67.29066562942498
2022	61.04346736872996
2023	58.988294807773315