Year	% of GDP
1963	37.840466926070036
1964	33.00359712230216
1965	30.30821917808219
1966	29.07268170426065
1967	26.52905198776758
1968	26.406035665294926
1969	24.356559949780287
1970	25.1303441084463
1971	21.566776781500707
1972	22.043628013777266
1973	22.37658221206556
1974	23.333333333333332
1975	23.470835086978113
1976	23.57659514511394
1977	21.4058573273098
1978	20.093990316149245
1979	19.71368223421732
1980	20.280571283869953
1981	17.96401515151515
1982	18.578049218609664
1983	16.62659633806721
1984	13.90065082725633
1985	16.385369188696444
1986	18.958473010877743
1987	20.895782145782146
1988	17.63164525069287
1989	19.64294163015119
1990	17.957934343434342
1991	18.2567042115573
1992	17.57598558527266
1993	17.01225768087215
1994	17.918289626276607
1995	17.17496120394096
1996	17.307177289769683
1997	14.816410392364793
1998	14.370528238696908
1999	16.40491859154191
2000	14.987543039498362
2001	13.012812333864964
2002	13.310909907213409
2003	12.514353847564891
2004	12.349896656794018
2005	12.07433134920635
2006	12.372657115496555
2007	11.882910240620577
2008	10.697495061979183
2009	10.08844440174229
2010	9.381897375624126
2011	9.217715571732613
2012	9.675778707134517
2013	10.113106994922335
2014	8.098522701850602
2015	7.871624084693897
2016	10.664333639692888
2017	10.531827360184748
2018	10.906563975369552
2019	11.291159799637805
2020	14.324614700632775
2021	15.276481055279742
2022	12.643411746632191
2023	8.286929645880345