Year	% of GDP
1960	10.577547047371837
1961	10.300337505874312
1962	10.730241568813506
1963	11.694553221787112
1964	12.812362998684787
1965	13.53733744469768
1966	14.092480038136099
1967	14.454207235019393
1968	15.106314728255887
1969	16.174994587999134
1970	17.454458864150492
1971	18.597670962062946
1972	20.169109764763984
1973	21.296510061949288
1974	21.998378976573093
1975	21.436843983771222
1976	22.08232800565205
1977	22.596800626177142
1978	23.335914578947943
1979	25.250695324768696
1980	26.526115595138695
1981	25.758104902477598
1982	22.29291490588914
1983	21.464343896158493
1984	21.402382915093074
1985	20.115361649226195
1986	22.613816157896153
1987	24.090055873280715
1988	26.07842073053191
1989	25.301222505851555
1990	24.40422570975837
1991	25.459876653238744
1992	24.34968358529537
1993	24.471855976781782
1994	23.624721692606485
1995	23.98506226333385
1996	23.16721806017505
1997	22.151503655212682
1998	22.68745264851204
1999	22.850686313054474
2000	25.8614860377559
2001	23.394697847414562
2002	24.737640322972926
2003	24.765412693196893
2004	27.119367597064286
2005	27.07676179820706
2006	26.578005985802772
2007	23.822651904527213
2008	20.585664973848445
2009	20.27337642907351
2010	20.77383302531255
2011	19.582551507977822
2012	19.11682198006619
2013	17.638409614875453
2014	17.99976889212852
2015	18.089329854873405
2016	17.474421359761173
2017	18.568332811546703
2018	20.72849882378675
2019	19.36385133308464
2020	19.627116169553204
2021	20.28414590340034
2022	19.723254384555748
2023	17.649286655597805