Year	% of GDP
1960	63.52413869841336
1961	68.45670799245741
1962	70.67205424225341
1963	68.69490231933445
1964	67.01518636187022
1965	64.5870795195007
1966	62.55296573834024
1967	65.13024089889721
1968	64.32316561545997
1969	62.51438810913916
1970	61.217687910799675
1971	61.99435742513594
1972	61.42738755462786
1973	59.65312646078475
1974	57.29469784686129
1975	57.37543076224084
1976	56.03563319311182
1977	56.270657849758706
1978	57.010020479104014
1979	55.60688484500431
1980	55.953819181081286
1981	54.80288571324543
1982	55.512367736342526
1983	57.21313708643745
1984	58.26278634955463
1985	58.663151830724956
1986	60.8504798437453
1987	60.16423684724563
1988	60.598130485790556
1989	61.595692584356655
1990	61.92373186625741
1991	63.66353657568548
1992	63.95706204035475
1993	63.073020953652495
1994	62.13897540251959
1995	61.28632102515144
1996	60.95787709910845
1997	60.89864470532548
1998	60.42259035190024
1999	62.04139180642847
2000	61.50555417317458
2001	61.02564308899714
2002	59.596860956061604
2003	58.64301378302058
2004	56.900052347325314
2005	56.13646469601292
2006	54.43118002826961
2007	53.56185596400531
2008	52.35278260690617
2009	52.32733068195967
2010	51.31496037528891
2011	50.98131298732095
2012	51.0833278897329
2013	51.13365720086169
2014	51.27022990985486
2015	51.65053461335278
2016	52.1725651754727
2017	51.90887721059811
2018	51.13928517475104
2019	51.66142942550119
2020	50.59080303056669
2021	49.882104747421174
2022	50.12321802258444