Year	% of GDP
1960	7.641042255328234
1961	9.698886265118066
1962	11.785930891859024
1963	12.956078539395289
1964	17.147882411199976
1965	21.513811308967075
1966	21.62441162702427
1967	21.453432364037898
1968	27.517904072846083
1969	25.331854302199996
1970	24.881860910915144
1971	25.462330059288156
1972	29.940010886881574
1973	38.25599096293655
1974	42.17478705130275
1975	30.620523165454966
1976	40.69740861403618
1977	37.5223852111335
1978	26.44929856438523
1979	27.822062959380116
1980	21.295573299735562
1981	14.46128882062528
1982	19.638619388814718
1983	21.206505031407342
1984	19.269382311752352
1985	17.08026341047079
1986	13.036388859423367
1987	16.72651271305092
1988	9.890892203133959
1989	16.477997111077727
1990	21.27809009759689
1991	27.31752236695881
1992	29.026480504638698
1993	33.340940506006746
1994	34.27326340504511
1995	35.71579305102345
1996	40.24686517460045
1997	36.00705174205435
1998	29.02642003558325
1999	36.11112029842257
2000	37.3407190256738
2001	36.907651929995474
2002	41.68832685493531
2003	44.13818094035346
2004	46.08556972537477
2005	46.72039340776703
2006	46.09747938416703
2007	49.09766232243011
2008	48.28689012160917
2009	44.32209641782228
2010	46.2734513772501
2011	44.52622051226502
2012	38.8665005148573
2013	40.1794095712263
2014	39.83094461491451
2015	31.00958579706255
2016	33.18098325673146
2017	35.02155464037621
2018	36.22963726671415
2019	35.62315690577765
2020	39.29895163833096
2021	42.62228648638381
2022	41.98728652591338
2023	39.57544521517716