Year	% of GDP
1960	19.07368632963828
1961	21.36116340914105
1962	19.99284291831835
1963	20.55525888641709
1964	20.346593955512237
1965	19.89691271148062
1966	21.797792107228357
1967	20.991553611651018
1968	22.306439559301875
1969	22.147524716401787
1970	21.945734513547333
1971	22.21242397026399
1972	22.073761619776644
1973	25.299645437294412
1974	30.582685383831993
1975	28.720301994002053
1976	29.223295952032938
1977	29.056475318744948
1978	31.52612084481762
1979	34.60772771055379
1980	39.63226264964991
1981	40.62774581354078
1982	37.21348168623539
1983	35.684374690959
1984	36.20617327491258
1985	35.99078179437253
1986	34.383635293646066
1987	37.84723292204273
1988	41.26364122609274
1989	39.11168263798901
1990	39.13685514098118
1991	39.66861506536664
1992	41.343615708286016
1993	43.824908972767496
1994	44.51245837345818
1995	45.53898041642179
1996	45.34154295527216
1997	46.73228833476236
1998	48.20615506519192
1999	47.06561708785273
2000	52.855101200488406
2001	51.57452164896715
2002	53.13713780411872
2003	58.71418253494325
2004	65.30184700741907
2005	67.81031098147986
2006	70.28018735422252
2007	69.5450791621778
2008	70.03668743985095
2009	57.88601796761298
2010	63.12364386122392
2011	65.30040782100018
2012	63.88849066217864
2013	63.135091140840274
2014	62.16852031762234
2015	56.614010186948846
2016	52.953668289284046
2017	54.94602000996865
2018	55.97733307547733
2019	53.73018714283081
2020	50.74482918861612
2021	55.934020653663254
2022	61.06492955293289
2023	60.61206970718306