Year	% of GDP
1960	63.27710311119704
1961	67.99426418856382
1962	70.06327436619146
1963	68.33451089672653
1964	66.71098359058573
1965	64.44652921286921
1966	62.605027590248795
1967	65.1319409125579
1968	64.16017853443495
1969	62.38486331680071
1970	61.169996966032734
1971	61.96072583716935
1972	61.30430489184365
1973	59.53414364405328
1974	57.372662786150855
1975	57.52505996081053
1976	56.17675293445406
1977	56.48385782953185
1978	57.31405454615055
1979	55.99694270527294
1980	56.315145207128225
1981	55.306865852724776
1982	55.91986349203742
1983	57.55020901046566
1984	58.60862268170639
1985	58.893072782272846
1986	61.00616724380653
1987	60.44583000578471
1988	60.947130982195056
1989	61.85875734800732
1990	62.287867322312195
1991	64.03144012976196
1992	64.13296188911745
1993	63.34938619884773
1994	62.5060268203909
1995	61.611908908045535
1996	61.18496836726067
1997	61.11799293702963
1998	60.69077891654806
1999	62.265513827744016
2000	61.72907025603689
2001	61.19198231078579
2002	59.79682279749361
2003	58.84352980939048
2004	57.084568441802006
2005	56.35106850511653
2006	54.68011447952258
2007	53.788201587707064
2008	52.64862229713858
2009	52.69179046539667
2010	51.62121490810782
2011	51.325144036684456
2012	51.48888103976233
2013	51.49068297151994
2014	51.656768933794794
2015	52.06134995716701
2016	52.56288947957752
2017	52.26534951319777
2018	51.51290428083978
2019	52.03727240602595
2020	50.97012807356071
2021	50.238459133749856
2022	50.51807712776687