Year	% of GDP
1960	10.08403157969111
1961	9.83606428379485
1962	12.799999180800054
1963	12.656251562500001
1964	12.615385197633163
1965	16.935486147242763
1966	19.998167217159253
1967	15.413009667622374
1968	15.13937182050701
1969	14.35611748184236
1970	15.23419740152258
1971	16.869096569844295
1972	16.255506740282176
1973	13.442623501746864
1974	21.338917991339716
1975	17.69944673243316
1976	19.39550730324008
1977	17.660199785575863
1978	23.800119821330657
1979	22.751378193817708
1980	26.382072882237512
1981	21.754729874060093
1982	24.150490825951458
1983	20.758989878786885
1984	19.66425933725582
1985	19.887388655224044
1986	20.154516811890893
1987	19.141228656447314
1988	17.603287760218844
1989	17.28848407872478
1990	14.069549718948181
1991	18.055369340403267
1992	18.26303884321326
1993	20.503761028062062
1994	64.79304235711965
1995	25.821381236755357
1996	26.198695799956518
1997	25.67012114822043
1998	23.209400014841428
1999	21.920624586138107
2000	22.107668149309493
2001	21.929939347190274
2002	21.428785430732848
2003	21.533983859210846
2004	23.068122611227096
2005	23.528567090179287
2006	22.338019141070532
2007	22.303150623095284
2008	26.331746567459675
2009	26.43815748384578
2010	26.536125223468343
2011	27.057229779983732
2012	28.546580458896244
2013	29.20095636060886
2014	30.03406619947917
2015	31.970192707453464
2016	34.063101958317496
2017	33.146886356718554
2018	34.67611568240356
2019	36.15021754153144
2020	35.86200917843772
2021	35.119069865621775
2022	38.66702099768429
2023	40.56333787695272