Year	% of GDP
1960	6.376284177113438
1961	6.781266888004997
1962	7.047251982502516
1963	7.414224764793052
1964	6.648653932362729
1965	8.312392540669224
1966	8.700279729821927
1967	8.585392407460002
1968	8.46223558732055
1969	8.805312902763855
1970	9.252229452880211
1971	10.966347202442812
1972	9.568913687807862
1973	9.463316334923508
1974	8.749813886545239
1975	8.929964355184298
1976	8.206737182257125
1977	7.711419509545005
1978	8.556471945173488
1979	9.313628590439068
1980	10.092329320575253
1981	10.433569551330384
1982	10.922444978532798
1983	10.954485669765306
1984	11.036476840644466
1985	10.698278634434198
1986	9.808755389693156
1987	9.840694129283234
1988	10.078722411098878
1989	10.554536681387198
1990	12.452465489948823
1991	11.759272036972506
1992	13.132829703298846
1993	14.051570326177337
1994	14.47345441986451
1995	14.948376586967537
1996	17.994533865479703
1997	19.921313641958683
1998	20.306935794129355
1999	22.16059307357922
2000	16.47285055938925
2001	16.566231719142266
2002	16.04089302674433
2003	15.610347169949879
2004	15.681598118026265
2005	13.956172068718598
2006	13.88061970000318
2007	13.73002945116291
2008	13.143945911691043
2009	13.804144552947351
2010	13.760247031577425
2011	13.349261659098289
2012	13.47547737683177
2013	14.097323457868931
2014	14.243750516120679
2015	14.811629791274195
2016	14.541284722302636
2017	14.880642627524404
2018	15.421480859817526
2019	15.773233415214873
2020	17.158835860030003
2021	16.04633106216995
2022	13.99818069371768
2023	14.64335839545144