Year	% of GDP
1960	17.65051395007342
1961	12.726008344923507
1962	14.10958904109589
1963	14.05579399141631
1964	14.701789264413522
1965	16.211699164345404
1966	17.005516154452323
1967	17.670454545454543
1968	18.6031746031746
1969	20.102739726027398
1970	20.633078880407123
1971	18.882474226804124
1972	20.329643721895536
1973	20.94945054945055
1974	19.661557079467524
1975	21.38364877443376
1976	22.186831875607385
1977	21.952191612231374
1978	17.45457993545515
1979	14.69281163380998
1980	13.588383741822124
1981	16.64666497911657
1982	18.482882522254627
1983	20.760402134361204
1984	17.846443394811136
1985	17.425880810930174
1986	19.654145612802054
1992	13.160116743184568
1993	16.909936764152146
1994	14.560033981964635
1995	13.404790758771332
1996	16.316771959274483
1997	19.287586033664468
1998	15.453991168731458
1999	15.409061348265194
2000	16.394316650336396
2001	14.787939151809345
2002	14.483576325978632
2003	15.705048921488848
2004	18.190278438141654
2005	23.222046578604775
2006	28.625430223445864
2007	34.44947219076401
2008	38.259335421241595
2009	39.98090306394338
2010	42.19707107419142
2011	43.34003263590742
2012	44.08906215282761
2013	47.42956681890528
2014	49.004851195754874
2015	50.557097994728906
2016	51.963944195271075
2017	50.86467046877931
2018	47.496033408976814
2019	45.842022873830814
2020	51.315779101084054
2021	47.44720157554089
2022	38.87817993605086
2023	37.08085684376789