Year	% of GDP
1961	16.062754253072562
1962	15.980977967037175
1963	16.017511599173613
1964	16.022084556578072
1965	15.961328427899193
1966	16.790863396976814
1967	18.088300402973946
1968	18.849474145990317
1969	19.43595559461812
1970	20.988129515022393
1971	21.11498452247177
1972	21.063434753353217
1973	20.401051712006723
1974	20.755575630170366
1975	22.331783226173258
1976	22.17157221020071
1977	22.679019205822474
1978	22.143199829526534
1979	21.416965882136655
1980	21.510961658671818
1981	21.40200565753968
1982	22.94934579487404
1983	22.6673090981591
1984	22.035299770988733
1985	22.054409061910658
1986	22.092930520479275
1987	21.505529864051706
1988	21.12143360759554
1989	21.368744406838214
1990	22.61822772361219
1991	24.016740455959408
1992	24.444626939629973
1993	23.8860993498314
1994	22.677948210290264
1995	21.658543976162218
1996	20.76051889085568
1997	19.85334575667525
1998	19.836604330070312
1999	19.320737719474916
2000	19.106416180633474
2001	19.50932037901855
2002	19.778719211987735
2003	19.896201768969238
2004	19.417484450380467
2005	19.0759109803014
2006	19.24876417738114
2007	19.25053560336194
2008	19.719439482450635
2009	21.96458550505494
2010	21.47545746035824
2011	21.14586686042153
2012	21.05784517883872
2013	20.704334711176088
2014	20.26656012816702
2015	20.877825126278484
2016	21.048040194852415
2017	20.703331385318695
2018	20.681432696746214
2019	20.663496088068488
2020	22.701107755549813
2021	21.44233714443037
2022	20.69168862495108
2023	21.23028675075807