Year	% of GDP
1962	12.535205069529983
1963	11.165550318365975
1964	11.855710176475139
1965	15.082659414585246
1966	15.808660692991694
1967	16.53591507321547
1968	15.862259291058459
1969	16.03583810080888
1970	14.727512980339252
1971	14.563628546861532
1972	15.056914932042595
1973	19.023095258974624
1974	20.99251861438573
1975	24.09853023802885
1976	24.625704796117027
1977	24.684763971291048
1978	27.195528024257225
1979	28.563995595961973
1980	28.762853304166665
1981	28.825479159405525
1982	25.63171605340273
1983	21.22673136275498
1984	22.30123562154482
1985	20.773507036593085
1986	22.902557889638327
1987	22.441080986661063
1988	20.318236667233407
1989	18.84090932385525
1990	17.808913266960012
1991	19.10888214788277
1992	18.493064537095822
1993	19.66861796082133
1994	24.413565389753472
1995	22.020831135783382
1996	22.129436373681113
1997	22.918236466221234
1998	20.112068139073944
1999	18.97058345071951
2000	17.3392448147808
2001	17.967783807718714
2002	18.099700704338442
2003	20.627024403448736
2004	20.06819024850992
2005	20.903184411343133
2006	21.950384254905828
2007	21.3245681130039
2008	22.24829434366064
2009	18.91596996989736
2010	23.834958440654084
2011	24.661570008643498
2012	21.26421133099233
2013	22.01698324942386
2014	22.65880641001852
2015	21.878682412948578
2016	19.806173956124677
2017	20.600042901810074
2018	22.782084795333684
2019	21.6853116218616
2020	20.041460349616756
2021	23.998127374423074
2022	27.68643514265548
2023	19.608333438096263
