Year	% of GDP
1960	11.33308612218411
1961	11.52646644166275
1962	15.466729925275768
1963	17.34069063723745
1964	19.80856349554289
1965	21.708674084997988
1966	21.731617208914315
1967	21.93197709702103
1968	24.635688754467967
1969	28.288036526085847
1970	38.17631350670998
1971	40.088601567122176
1972	40.86457969478337
1973	38.91261687637077
1974	44.4986517449382
1975	38.80775310116763
1976	39.59635815881734
1977	35.24142063938556
1978	37.86032916334922
1979	42.11681456114128
1980	45.028141138633764
1981	44.78321033210332
1982	46.27029063129025
1983	46.45068054022807
1984	46.92765945210206
1985	41.099239406012316
1986	36.558114284456636
1987	36.51939099221726
1988	33.40825680346906
1989	34.06069305235
1990	35.6531138861975
1991	33.97994469257526
1992	35.51569591216224
1993	37.202049363224816
1994	32.91205930590625
1995	33.88131280465808
1996	35.04012455699484
1997	38.16979720767043
1998	31.490037630275403
1999	32.69147535939557
2000	35.174035997787875
2001	27.609431795014594
2002	25.07361279338749
2003	17.224524873631758
2004	22.892461670601183
2005	21.50693625042896
2006	22.379263444766824
2007	23.065952909009837
2008	30.159676368977916
2009	27.370115211167356
2010	27.658227519044736
2011	26.691994345527863
2012	29.262942670305787
2013	29.979502185541467
2014	29.430008279276564
2015	25.353193018866012
2016	26.426145738640166
2017	27.28006693495782
2018	24.74823882744945
2019	24.606702980083377
2020	22.8667837126128
2021	23.966606169354183
2022	22.31893408673423
2023	21.019016328969407