Year	% of GDP
1960	40.97236977145939
1961	41.13270536940804
1962	40.08213902020201
1963	39.89295185938807
1964	40.12437075752347
1965	41.083253978366265
1966	42.441369852294656
1967	42.11983989794591
1968	40.6953969924946
1969	43.74481422842309
1970	41.6524648286063
1971	41.45911584147626
1972	42.03186725535883
1973	44.55547586178529
1974	45.733900780097805
1975	48.57968540513416
1976	49.34073656246348
1977	49.27154472695505
1978	50.16847242465607
1979	51.13200381328241
1980	53.346692819419836
1981	53.01345687162643
1982	51.820514751283866
1983	52.55374961918744
1984	48.36600607368208
1985	47.762348641031956
1986	47.26165222091119
1987	46.92110417098467
1988	44.418851370152304
1989	44.39157688216148
1990	45.11812750718505
1991	44.68839032838613
1992	44.60205590308667
1993	44.28705250203283
1994	46.03408446609928
1995	47.807119772481244
1996	49.4611755952499
1997	50.18656050958129
1998	52.08548684338399
1999	49.51855445126035
2000	46.93938086275579
2001	52.69435732305735
2002	54.049920609360534
2003	56.09930667993576
2004	55.566664157783784
2005	54.43419448256825
2006	52.4424149459359
2007	51.90747807491566
2008	50.18952742090956
2009	54.70578423375078
2010	53.55842290324229
2011	51.50086632363485
2012	51.74221481020903
2013	52.018901581100465
2014	52.83419735435517
2015	57.606629586773764
2016	58.567451344755014
2017	58.0552249529581
2018	58.74764309688811
2019	59.43711535509429
2020	61.32117202740106
2021	58.4690686891987
2022	58.801741672777254
2023	59.72461518854847
