Year	% of GDP
1960	88.13820089089907
1961	87.09866188821721
1962	86.95958865201682
1963	86.94586119779181
1964	85.30698916987404
1965	86.23785447494026
1966	87.35595726706912
1967	90.00346852071924
1968	87.88016944056095
1969	88.26230595210937
1970	86.45276865370253
1971	85.05787220675597
1972	82.76366160201812
1973	80.03604377488452
1974	74.02872273229993
1975	78.37481364198918
1976	77.54720154646633
1977	84.84243900526202
1978	83.99063213134677
1979	85.93901448997917
1980	90.2120194898688
1981	91.05080187699048
1982	83.50922759159349
1983	82.01342506404393
1984	82.50221294577827
1985	80.84889452896158
1986	80.85167522004787
1987	77.56008062633295
1988	77.32342679872195
1989	74.34879233763566
1990	73.51887669994834
1991	69.964427216188
1992	69.6450965881789
1993	70.92238699992485
1994	57.5948976503618
1995	63.342331301000556
1996	67.71878242245596
1997	64.66631552257762
1998	68.85166056134754
1999	89.19193919428592
2000	88.75361943221061
2001	85.39850625062125
2002	85.54025511074632
2003	82.88123090126277
2004	83.96361848160404
2005	83.13205375890104
2006	81.96568970065769
2007	78.1414382593744
2008	79.68460758238083
2009	77.50838507106768
2010	71.5935788138145
2011	68.6961148797298
2012	69.1348624816742
2013	71.51637910304365
2014	70.22252638028428
2015	71.52311026629124
2016	68.75859864462416
2017	66.54656361585629
2018	64.27929904563531
2019	61.635491146183405
2020	60.24038968590121
2021	61.01225490216138
2022	63.98583507119102
2023	64.57881213218964