Year	% of GDP
1960	12.110286003738734
1961	9.534632136528387
1962	9.959304461103747
1963	11.625898807083423
1964	12.243165152690896
1965	14.905710571222649
1966	16.1960629695616
1967	19.772266270532747
1968	19.076586779838507
1969	21.42850572507144
1970	24.461323615201312
1971	27.83261412604277
1972	26.80014939269302
1973	25.95016696281645
1974	29.494648366580716
1975	33.4129820337852
1976	31.02851139900416
1977	34.78078290452154
1978	34.54536443744837
1979	37.02178867872442
1980	37.322106720071744
1981	43.958871636915845
1982	40.08629954423776
1983	31.577722696885
1984	30.931928170731247
1985	36.64859962424766
1986	32.61549675270092
1987	30.950607094633646
1988	32.08308881735387
1989	24.80493837763708
1990	26.538879134486663
1991	30.342230772801333
1992	33.50159775520946
1993	32.917416096904965
1994	36.073460636261196
1995	36.43119750772217
1996	30.01897989105327
1997	31.535495016941677
1998	32.50068574713677
1999	31.38225835911384
2000	26.74284895232899
2001	28.38859182766738
2002	24.04181175809911
2003	22.971933307350273
2004	21.38942677059704
2005	20.612291207447274
2006	21.716772999891152
2007	27.07093103753419
2008	25.63463900323687
2009	24.77466222359243
2010	28.35881188223739
2011	26.36737730871864
2012	26.839999912100136
2013	31.629626513875564
2014	33.83743381682253
2015	32.03586197390868
2016	31.380140266629365
2017	34.27100217696423
2018	34.52096387143631
2019	34.05080512068219
2020	24.960762949220243
2021	27.136054656967612
2022	29.280310520447472
2023	30.157011022130263