Year	% of GDP
1960	10.65901107590313
1961	10.297902976948153
1962	9.02907472627171
1963	9.696234705157831
1964	10.237078221775077
1965	9.322426348943068
1966	10.947546487166536
1967	10.04152829286606
1968	10.164782382074055
1969	9.421704134050135
1970	9.691229139539837
1971	9.799349463619576
1972	10.661332782723312
1973	13.201755856333797
1974	16.657748078705755
1975	15.647560932244138
1976	15.314488211290861
1977	15.198116534292978
1978	20.37929590730036
1979	22.659158576503987
1980	27.343442880075223
1981	29.460707009820336
1982	25.395646049964014
1983	24.419813787190904
1984	24.90566791332326
1985	25.894163668512938
1986	25.01867228917732
1987	29.98063355058829
1988	34.963952507574106
1989	32.034951014284566
1990	32.29137888793672
1991	34.11704359088785
1992	37.60535187324841
1993	42.34543581481014
1994	43.06749959110652
1995	42.62912785227106
1996	42.128763771896594
1997	43.79087062314935
1998	45.638947461659214
1999	44.5662530284341
2000	51.101877762973444
2001	49.79937838106252
2002	52.381962655525385
2003	59.66992287685067
2004	67.35906340564475
2005	69.81053089445656
2006	71.1036537453274
2007	68.73509918779574
2008	64.94484239883415
2009	52.21430276351087
2010	56.89378620730393
2011	57.49655057463309
2012	55.05217122927737
2013	53.48329622442051
2014	51.86738640178187
2015	46.700324995213094
2016	44.087288250401876
2017	45.362546950564706
2018	45.659551064559295
2019	43.28780605814287
2020	41.185599406271784
2021	45.29335784328864
2022	47.52730260308402
2023	43.799266365870096