Year	% of GDP
1960	67.25310112243866
1961	66.50587141729903
1962	67.66816163436627
1963	67.64243679614047
1964	66.27569958214453
1965	64.16262698388164
1966	60.70869098145225
1967	64.14648813346672
1968	63.94671502069169
1969	62.115565245116514
1970	70.00678449798774
1971	68.33311581377733
1972	69.1387424449169
1973	67.10355795336218
1974	68.09992687890562
1975	69.66436207418295
1976	68.59018642227387
1977	67.37670260573086
1978	64.51925284447525
1979	65.13294128790123
1980	65.4485713005425
1981	65.287443272034
1982	63.57066311064757
1983	65.0995826070814
1984	63.65308002897181
1985	62.221011405821514
1986	61.389256351427036
1987	60.085868093866814
1988	56.738411236290965
1989	55.49636032820084
1990	56.5585330675621
1991	54.97657033950431
1992	54.7701902967804
1993	51.95944384827479
1994	52.13090491150935
1995	51.300925120222004
1996	51.70894087962672
1997	53.00067299179884
1998	51.675116711435564
1999	53.188612696995676
2000	54.1337365034656
2001	56.00279588348066
2002	55.657484828179804
2003	55.63127176264935
2004	55.87485523307798
2005	55.839880458252125
2006	54.451158744496254
2007	52.54840049927828
2008	53.63939511662237
2009	53.06578019513458
2010	52.1755305836478
2011	52.9609426309903
2012	53.26839703878067
2013	52.55224907043336
2014	52.59621396454685
2015	51.34470308830078
2016	50.00945488784804
2017	48.93086324294981
2018	48.8885134819444
2019	49.77380776585048
2020	53.04759997116457
2021	52.233499217443665
2022	54.559309564412274
2023	57.67387508870074