Year	% of GDP
1960	10.062588511964098
1961	10.457198580667724
1962	10.48547762043702
1963	10.494456918147288
1964	9.692950768552619
1965	9.301161992096974
1966	9.688205993247545
1967	9.661563310445755
1968	9.7292601122375
1969	9.551277107914505
1970	9.530540298209806
1971	9.887502541744363
1972	10.408563221541941
1973	12.610919648909915
1974	17.545581859354613
1975	15.594994819778812
1976	16.639526310513038
1977	16.3280018469792
1978	16.246222803749287
1979	18.514981826856175
1980	19.015204516409355
1981	16.779149770500354
1982	16.916432464878277
1983	16.6995889579235
1984	16.712450963901592
1985	15.719515153133598
1986	13.925661473652454
1987	16.610233162434998
1988	17.917177440833772
1989	19.394720338644593
1990	18.44480197689524
1991	18.430716236894515
1992	25.732420897592156
1993	21.387608117730462
1994	20.75847139487439
1995	21.54741079962467
1996	21.315880669124148
1997	21.850299781327323
1998	21.660749118355056
1999	23.455389195708108
2000	25.976406218000193
2001	25.146733555769135
2002	27.010328819166602
2003	28.66931896510166
2004	30.917681668533923
2005	31.909553013620982
2006	32.77406644045985
2007	31.908517265267694
2008	32.05838922525117
2009	26.500221847844607
2010	27.917627716638695
2011	28.45679826293933
2012	27.898257746964784
2013	27.188662945977182
2014	26.318799101825075
2015	24.779789899598548
2016	23.68994431023006
2017	24.239369613585534
2018	25.313367858363318
2019	24.430767148935605
2020	23.45440657866211
2021	25.84500052969913
2022	27.45880273926511
2023	25.66625682849908