Year	% of GDP
1960	28.676025220432084
1961	29.410699028168096
1962	30.0739727375498
1963	30.68014424182282
1964	31.095334734268654
1965	31.235911853814507
1966	31.36699380131694
1967	31.406993836548878
1968	30.220909431668264
1969	29.351818060773173
1970	28.46029693726637
1971	27.749934250196638
1972	28.069552551997855
1973	27.67703233686124
1974	27.1727823898712
1975	26.471062540374774
1976	26.802969677390276
1977	26.715628581070703
1978	24.608037555908197
1979	25.104155694279147
1980	25.587150146198468
1981	24.071403760578796
1982	23.90040080472771
1983	24.268822735617054
1984	24.66896559368973
1985	25.877840805382174
1986	24.7345034087147
1987	25.75735507393655
1988	26.88717291952833
1989	29.41530193963324
1990	29.05506138597464
1991	26.069055767082887
1992	22.947717196259106
1993	19.374045626518477
1994	19.442537812149343
1995	19.715351538961375
1996	20.232576207528595
1997	20.002989348248814
1998	20.869662154159148
1999	21.525824312186298
2000	22.259816763981995
2001	22.67991249858711
2002	22.05257518658095
2003	21.645606093615395
2004	21.882033528443635
2005	22.41156431833263
2006	23.229376089962162
2007	24.16647039796065
2008	24.54636276970084
2009	22.493787350347947
2010	22.490409480014584
2011	22.893984691133493
2012	22.72352278307258
2013	22.445483799155095
2014	23.228467740117665
2015	23.753435653812843
2016	24.210520832130058
2017	25.136483712547246
2018	25.17963857303162
2019	24.40976239989591
2020	25.115539467996474
2021	25.591837359597765
2022	27.135328828306083
2023	26.66479841821631