Year	% of GDP
1960	22.698610220357722
1961	24.778065839593687
1962	21.09284469837535
1963	20.07882784205527
1964	19.13706945973527
1965	16.890080428954423
1966	19.373454245671887
1967	20.173845355474832
1968	20.054364240410752
1969	18.83218788895503
1970	21.579341691224215
1971	19.7259215490205
1972	19.22295994859713
1973	22.106022780464972
1974	28.192605843768636
1975	33.34596687814122
1976	36.72938898857305
1977	37.321195313599006
1978	30.068354063168584
1979	29.8646100285286
1980	28.006133760584344
1981	34.76484493080751
1982	33.73553124121278
1983	29.859396808343757
1984	34.72850021816351
1985	33.80184833369961
1986	28.398235898870706
1987	27.176252486091308
1988	25.141056306210245
1989	27.795907449180113
1990	30.067366913057185
1991	27.460527726985774
1992	28.09116156518474
1993	27.607705117190974
1994	26.375052269982895
1995	29.041805345743015
1996	25.259568489291823
1997	27.226036781422895
1998	24.629923887645962
1999	25.944207203518232
2000	29.24347794908972
2001	28.096025658719554
2002	28.36574810265762
2003	27.655371683726294
2004	30.20243296864583
2005	33.49792805233376
2006	35.04323098163693
2007	39.92187297068723
2008	45.362248234116244
2009	36.65377847641763
2010	39.75303092991566
2011	44.87138722592706
2012	46.12500575049355
2013	43.604490892370116
2014	41.760580116510596
2015	37.292822035415384
2016	40.388065239264556
2017	41.566896887879224
2018	43.42645015172723
2019	41.90505841095112
2020	38.04969643645817
2021	42.4483830655505
2022	56.306243318462926
2023	52.25610506051195