Year	% of GDP
1960	10.517140990657307
1961	10.467041836911946
1962	10.277784194843354
1963	11.110999132657364
1964	12.502863578177802
1965	14.361886574577126
1966	14.829498535891497
1967	15.251530834455258
1968	15.758214655650765
1969	16.722322525083726
1970	17.393886625333675
1971	18.68308459415706
1972	19.226138597264196
1973	17.27659572169624
1974	21.078230184149568
1975	23.842200551623623
1976	21.432505937608827
1977	20.345406879007268
1978	23.322095317609083
1979	19.76144566445102
1980	21.028733866193285
1981	21.451469284027255
1982	18.484556203723724
1983	16.2361109912216
1984	15.112639541748063
1985	15.904894323049248
1986	15.244988236683424
1987	14.350187617073853
1988	15.033984327121974
1989	11.980830330882865
1990	10.846374281202506
1991	10.276256867350058
1992	9.714635563745361
1993	14.23090681826843
1994	14.353517418675082
1995	14.251484191593464
1996	12.36812975567656
1997	11.592726368032992
1998	13.049106711041397
1999	11.816297208812248
2000	12.932114086527058
2001	12.871562918983512
2002	11.71710680080019
2003	11.419521223025846
2004	11.23630349381467
2005	12.076242870555934
2006	12.465920456069254
2007	9.477097137023454
2008	10.052712123192679
2009	11.182319950461721
2010	10.804540169785506
2011	13.20083368112167
2012	13.327900155629289
2013	12.973939207079018
2014	12.820125977657625
2015	15.568823219303917
2016	15.780694751081326
2017	16.06231263903323
2018	15.747168891977804
2019	15.30027571244631
2020	14.431667980888902
2021	14.233576589625532
2022	12.73218237623647
2023	13.210883443054946