Year	% of GDP
1960	20.701370059555316
1961	21.218862439749195
1962	21.237948391870358
1963	21.2485012803128
1964	14.317275639341528
1965	16.029217124616295
1966	16.700219186292113
1967	18.85581328437393
1968	21.492128824118648
1969	22.349608364856667
1970	21.597010421847468
1971	25.44255661423101
1972	27.68872686121302
1973	29.23133631137104
1974	32.79367889359969
1975	37.49937070695011
1976	35.21349567833334
1977	38.40353375800819
1978	35.219248484459584
1979	37.528578065335125
1980	40.213028682332016
1981	40.71152425266567
1982	39.81975144281088
1983	37.45829724601244
1984	39.718705664087196
1985	40.947546982869575
1986	37.96172942298748
1987	39.43994633000749
1988	38.129682276595105
1989	32.39475994393062
1990	35.42265044017486
1991	33.79623642636472
1992	28.374016377197524
1993	29.625083953461623
1994	39.22922223864105
1995	40.747471418340695
1996	38.18029776919413
1997	37.416418780351094
1998	40.93978357525617
1999	35.25481578148237
2000	35.12294197042633
2001	31.658170814851083
2002	31.312522852796636
2003	30.368236407732297
2004	35.48094360174617
2005	34.17216976810485
2006	35.10654235545495
2007	33.77971728950732
2008	35.385316980150165
2009	40.29598367359238
2010	49.0732385398039
2011	57.49725310385083
2012	61.238607981839785
2013	64.03585130242335
2014	58.823562493742564
2015	59.0891813101662
2016	57.893172799440585
2017	59.2687802020168
2018	60.59562562364882
2019	60.40869288175331
2020	60.73977864627748
2021	62.59296250036888
2022	64.63344292581121
2023	64.81559615733417