Year	% of GDP
1960	30.315027031287666
1961	29.23630306562412
1962	31.329636060569932
1963	37.100266723021655
1964	41.541959015402554
1965	35.19845393495935
1966	41.79066196391752
1967	44.560963955334984
1968	39.631336458412676
1969	39.353494384863254
1970	33.8433581687391
1971	32.26594287837514
1972	31.695324276879017
1973	32.819156464143845
1974	33.404560198454
1975	30.634340837964825
1976	25.711928881527978
1977	28.58279706066033
1978	21.127499922316737
1979	21.405186331109462
1980	24.71619663178754
1981	25.04304731083737
1982	30.73582675377739
1983	23.83557403583461
1984	27.123611393581314
1985	23.70353689147975
1986	20.761584582410258
1987	27.81034396329604
1988	26.168091267637784
1989	23.015887071746853
1990	19.01838138761775
1991	15.827207704720164
1992	17.848067646893558
1993	18.376872344332966
1994	34.070575281013
1995	31.02054897592255
1996	28.577350232184635
1997	32.418315258591235
1998	30.702802987823365
1999	27.714480519897183
2000	30.323613515355863
2001	26.69815820570746
2002	26.805394929164798
2003	21.53520591695187
2004	22.399311839655724
2005	22.647527698407753
2006	24.694571209996425
2007	25.12043550179637
2008	22.574406502373296
2009	18.86444126667736
2010	20.535878710587827
2011	20.50875910439239
2012	20.955119092107203
2013	19.449684936914462
2014	26.651701050046068
2015	25.474315926717946
2016	28.164103546318316
2017	30.30376182973164
2018	34.669393512667845
2019	34.259196731994415
2020	27.506522157227575
2021	24.160555674848343
2022	28.204262141015064
2023	25.004968854674075