Year	% of GDP
1960	23.54828795964063
1961	25.37996739650342
1962	26.824606699445525
1963	22.76024922472901
1964	18.959510672265466
1965	17.52988047808765
1966	16.757741347905284
1967	22.09737827715356
1968	15.087719298245613
1969	13.811420982735722
1970	13.607990012484395
1971	13.319672131147541
1972	15.691489361702127
1973	13.116883116883116
1974	14.699331848552339
1975	17.26078799249531
1976	18.270042194092827
1977	20.49924357034796
1978	23.700202565833898
1979	21.59123666762756
1980	27.03309563857762
1981	26.711918546616094
1982	24.156244646222376
1983	21.576693066106355
1984	20.615832762165866
1985	20.76791277258567
1986	20.06455227516321
1987	19.425081980997223
1988	17.54544587809064
1989	17.434209572480054
1990	14.295763076315069
1991	14.869434803918452
1992	13.375532077219585
1993	17.610138280623215
1994	17.342552639607945
1995	15.4323511931885
1996	17.208585455871873
1997	20.721686063624475
1998	20.65820868128843
1999	19.713856695711023
2000	14.61045876834945
2001	14.579081459566964
2002	13.374864962094001
2003	15.356641473476554
2004	17.706924009390875
2005	16.957298445051258
2006	17.112607895873015
2007	18.06633999148985
2008	20.51344038624893
2009	21.824747829966373
2010	21.48742017485416
2011	19.77846463752551
2012	18.306954596600153
2013	18.558753072775563
2014	19.275671914391797
2015	21.957921686313775
2016	24.50428188509033
2017	25.154507140681265
2018	23.10155413364026
2019	21.658882682456372
2020	22.803224380738527
2021	18.36678352957916
2022	17.62359271015394