Year	% of GDP
1960	32.10419693190285
1961	32.90995044072728
1962	31.09252254375896
1963	32.34974143457058
1964	30.962385390735275
1965	28.56488686665017
1966	28.682652849946024
1967	30.07723179594998
1968	31.627869770479567
1969	29.32323546387345
1970	28.767768841481267
1971	27.52395521921708
1972	26.738697491309765
1973	27.66915714627255
1974	33.52872346009844
1975	30.64942829740001
1976	29.320611724000926
1977	30.977823223555912
1978	30.78518564631431
1979	27.236299688854103
1980	27.817987268327144
1981	27.961591047585436
1982	26.599450199520348
1983	28.47600719648687
1984	28.856489317445654
1985	28.057463612625096
1986	27.454996806779814
1987	27.302289931019757
1988	26.68362343298105
1989	25.95598285170967
1990	26.684995574360443
1991	27.087970564933062
1992	26.12236113364513
1993	24.880703311881337
1994	23.973839494788322
1995	23.140123065956644
1996	22.539063281119816
1997	21.948600641152368
1998	21.164490523445313
1999	20.728480943756708
2000	19.927315041872212
2001	20.066605203361096
2002	14.279322536088273
2003	13.230514884211958
2004	12.543804143882772
2005	11.819476822644654
2006	11.336280234663182
2007	11.683164332850476
2008	13.379200767591042
2009	12.691971303497015
2010	9.048337006957958
2011	9.533159349957481
2012	7.910288868014559
2013	7.924604116641795
2014	8.080707923472618
2015	8.216938879411687
2016	7.26171847777838
2017	7.430678779612595
2018	7.592066516969383
2019	7.256248937797693
2020	8.251323287989571
2021	8.789951745284508
2022	8.4970914171668
2023	8.281012754986815