Year	% of GDP
1960	10.01150747986191
1961	10.86021505376344
1962	10.33434650455927
1963	11.363636363636363
1964	11.731391585760518
1965	14.461118690313779
1966	13.043478260869565
1967	14.960106382978724
1968	16.76470588235294
1969	14.24287856071964
1970	12.837538733953076
1971	12.959999999999999
1972	12.61101243339254
1973	10.911168237646386
1974	12.21030042918455
1975	13.022903653227333
1976	12.24333435488814
1977	12.622055003135358
1978	11.29800819594015
1979	10.286301466940685
1980	11.164006347428359
1981	8.790240409770606
1982	6.4811280378480305
1983	5.861289516295547
1984	7.259361105259073
1985	9.398393227769875
1986	11.067026728954053
1987	10.6343163538874
1988	9.70798975642982
1989	9.844808194104772
1990	9.311528427611334
1991	9.48314108708897
1992	12.107568122017572
1993	14.449368559696287
1994	13.723342939481267
1995	12.073480655856136
1996	12.043708714402886
1997	12.355633653123983
1998	10.32416165587419
1999	10.84334638820591
2000	10.171615873308166
2001	9.722363917658463
2002	9.872770250910728
2003	11.533203240136825
2004	12.172811881046831
2005	15.308165262880832
2006	8.682009581591537
2007	8.524940361135446
2008	8.731659767627377
2009	7.574243955722551
2010	7.069499421030971
2011	13.788598121553811
2012	11.764346311947053
2013	8.783172845582373
2014	8.267793379585115
2015	7.6804908567544015
2016	7.88693112799624
2017	6.957052130701403
2018	7.104780397872874
2019	7.043203810259232
2020	7.833410156002637
2021	8.00565308777829
2022	6.652534327964787
2023	5.866963028802874