Year	% of GDP
1960	0.6735086593970491
1961	0.651780325890163
1962	0.689655172413793
1963	0.718685831622177
1964	0.677506775067751
1965	0.5912698412698411
1966	0.576379066478076
1967	0.545217107411035
1968	0.548510763786494
1969	0.600160042678047
1970	0.49741165878910604
1971	0.48765558049377705
1972	0.53656808925093
1973	0.54421768707483
1974	0.565744136934534
1975	0.5735842196163979
1976	0.5981035740335521
1977	0.53425620505056
1978	0.504834431419526
1979	0.505297473512632
1980	0.41610738255033597
1981	0.5133010143805761
1982	0.495419417575106
1983	0.522866313988212
1984	0.659819059927896
1985	0.676313139343828
1986	0.634622463096704
1987	0.580341889191456
1988	0.536145374184792
1989	0.517255829376633
1990	0.433081035474032
1991	0.435402300782292
1992	0.469454655731209
1993	0.44278549389495503
1994	0.51883032705709
1995	0.45089153123705195
1996	0.47648477790675503
1997	0.45809585369137196
1998	0.450450487249782
1999	0.460988775566099
2000	0.44604782044975905
2001	0.442657003961602
2002	0.421606002464969
2003	0.40591654664996296
2004	0.364898722678153
2005	0.355958931501411
2006	0.311171936508264
2007	0.401163917952381
2008	0.39051322748877204
2009	0.5015562746977189
2010	0.45273449263425003
2011	0.46577780287055204
2012	0.47598728077372
2013	0.507919454953
2014	0.513829957307541
2015	0.466676122422583
2016	0.49506441369678805
2017	0.436510296383438
2018	0.477494205142032
2019	0.523424227075094
2020	0.73779605130135
2021	0.682059196439262
2022	0.606752933062896