Year	% of GDP
1960	10.894992241690819
1961	10.288798277497452
1962	11.177152726323593
1963	9.740281450486858
1964	9.01046364317274
1965	8.578160171993508
1966	8.6189251465625
1967	9.64475397786843
1968	11.130815364771713
1969	10.015189629260531
1970	9.024050620523624
1971	10.499110029423516
1972	10.42060506333884
1973	10.735522084172047
1974	9.205293555460685
1975	10.376591734104593
1976	11.29807475401004
1977	11.679274799404523
1978	12.705773796242227
1979	12.773028035474226
1980	12.443669741463395
1981	12.696056827076605
1982	13.855614624277745
1983	16.46066867507442
1984	18.219922282992695
1985	16.198998954195684
1986	15.026325222843726
1987	14.303724717867395
1988	9.913817883843096
1989	8.689536356872612
1990	8.894382887889837
1991	9.021415201529843
1992	9.746427339362908
1993	15.168220100449844
1994	20.478189516568012
1995	22.061517727524897
1996	22.176524107055744
1997	23.946876172819838
1998	21.90491426667978
1999	22.41130200733877
2000	27.190323709541296
2001	25.344688288240764
2002	18.930012695345198
2003	17.430175182417635
2004	19.45492345818847
2005	20.91723127440906
2006	21.60940104260025
2007	22.510766323511785
2008	22.737173344642127
2009	23.064789207510817
2010	24.989534686843744
2011	25.371338710309622
2012	26.139075002272747
2013	26.096036905081014
2014	26.86384600510404
2015	27.788697485899483
2016	29.40355139460276
2017	32.21547802921189
2018	35.993797558260745
2019	40.096684417013975
2020	46.27481519102102
2021	47.37025139111658
2022	50.14422138341234
2023	53.742060870197236