Year	% of GDP
1960	7.604049108256436
1961	5.9949469947786955
1962	4.691842758998306
1963	7.890454202624619
1964	5.563715604785078
1965	6.225874437667957
1966	6.652917383599545
1967	7.495596226249303
1968	6.484453462775146
1969	6.398713316529901
1970	5.601566676004002
1971	6.007232881288886
1972	7.197765839083525
1973	7.6126677211921345
1974	6.902570797609897
1975	5.82405179865594
1976	9.175388296401739
1977	9.615892412713368
1978	8.608389938114778
1979	6.510915466757396
1980	5.061972681115178
1981	6.921049480309992
1982	9.090493078595125
1983	9.151520686820716
1984	7.589895311788802
1985	11.736098020735156
1986	8.16197754429543
1987	7.873205813400308
1988	9.531612972934036
1989	13.058408908564065
1990	10.359536592526384
1991	7.675043348322166
1992	6.598187472037402
1993	6.909351533708319
1994	7.529948725916719
1995	9.680410259590147
1996	10.428596756013922
1997	10.560850101926183
1998	10.41558196109193
1999	9.827174514942351
2000	10.986375232557629
2001	11.5790080825317
2002	28.382596999168214
2003	25.93094292642245
2004	23.84761942398915
2005	23.24587673385756
2006	23.026694603811514
2007	22.66275031150658
2008	22.060900382624236
2009	19.56098505608181
2010	18.933823405370887
2011	18.449209145315486
2012	16.237859462024566
2013	14.617173388438564
2014	14.405478589375567
2015	10.705652050453766
2016	12.527095169000932
2017	11.320283359673338
2018	14.436685749903372
2019	17.924878377846202
2020	16.605414437248417
2021	17.996587944179502
2022	16.29956167703788
2023	12.919424610444535