Year	% of GDP
1960	22.799304437386947
1961	28.755383079663183
1962	29.70978781676256
1963	29.847629703599658
1964	28.169758245574094
1965	27.98288881548005
1966	27.75907464062422
1967	27.84985594928614
1968	27.087415601532438
1969	25.156698231768797
1970	23.94169598069218
1971	22.77296010309127
1972	21.972344918732524
1973	21.59931086570112
1974	19.964786182374038
1975	19.359070969653708
1976	18.155425757605318
1977	17.14021111664039
1978	16.14081137748126
1979	16.159591136539408
1980	13.790671756979448
1981	13.973341655875164
1982	14.419301651506993
1983	14.74733909045313
1984	14.89808337686474
1985	14.777922499120038
1986	14.983576773349657
1987	14.099842744090143
1988	14.247858864830595
1989	14.33811410774303
1990	13.424974344254274
1991	12.94088338127118
1992	12.039036913573
1993	10.738108592955815
1994	10.943126322555436
1995	10.844351571119812
1996	10.833653499987912
1997	10.159784532311107
1998	9.97090315099434
1999	9.645761200430638
2000	8.743312162704921
2001	8.66981830884992
2002	9.133233000304232
2003	8.95133534331071
2004	8.898385841937785
2005	8.063707128665994
2006	7.592909444465577
2007	7.60750121932485
2008	7.722549913266241
2009	7.811079890625427
2010	7.634585599615437
2011	7.558528197984954
2012	7.551444131671435
2013	7.614533344224029
2014	7.515603920760139
2015	7.541122370639364
2016	7.4957609725355825
2017	7.044132474397752
2018	6.750072884711034
2019	6.86817530739732
2020	7.5839733739516495
2021	7.2901364539631075
2022	7.236637160979359
2023	7.087035990540039