Year	% of GDP
1960	60.01292694708027
1961	61.504276623223795
1962	62.472249765368026
1963	65.64742387122938
1964	64.30780590097086
1965	67.23386986641722
1966	65.91608303264195
1967	67.83425296819846
1968	72.70714522758426
1969	72.19629623476922
1970	80.41664279225948
1971	80.85862231521259
1972	83.17626589747445
1973	79.5802278516755
1974	79.42994287957109
1975	84.13735831890813
1976	83.96234562079357
1977	85.29300201383975
1978	77.83050167578297
1979	67.818291853769
1980	66.80764951328155
1981	71.09706521204845
1982	69.72242341177457
1983	73.2767123032786
1984	72.27372992828329
1985	70.8811566357023
1986	78.94788824835014
1987	79.13775088715495
1988	76.79067110210521
1989	76.703720560904
1990	81.9108884665905
1991	84.85638835493286
1992	85.16554950255073
1993	84.79383179305968
1994	81.13289848750748
1995	80.98833390153247
1996	82.43440555727622
1997	80.72560601659082
1998	82.34226809196363
1999	81.75074620714828
2000	82.37329996012936
2001	83.70213721805541
2002	82.73141973418582
2003	82.0849870556972
2004	79.2559282251519
2005	76.3759775711967
2006	71.06118075867035
2007	70.6114929010019
2008	72.80016103470469
2009	75.2491461575027
2010	72.2599715919997
2011	70.78188517468593
2012	73.11461020878475
2013	74.59636173641722
2014	76.97305983253835
2015	78.28300375900042
2016	78.1669003254754
2017	77.36199270627874
2018	76.93592568494836
2019	78.03169095414077
2020	80.03182202396596
2021	74.65003756916141
2022	77.2423145804265
2023	77.92376180304633