Year	% of GDP
1960	-11.967014595792321
1961	0.45180690180081473
1962	3.8363622762035483
1963	1.3664623422915239
1964	2.014146787944148
1965	5.349794783992843
1966	9.040580996309963
1967	6.164357048691276
1968	2.733077009646302
1969	1.8867846947951672
1970	1.1842025
1971	6.5388986903386614
1972	5.603859806763285
1973	20.198690149006623
1974	28.81477771469127
1975	11.253040267639902
1976	4.825300110926234
1977	6.914778510638298
1978	9.984673171961674
1979	24.745057215686277
1980	35.65482796892342
1981	30.090455971940187
1982	46.49295774647887
1983	44.619619744744746
1984	46.39540949400104
1985	31.067162134322206
1986	15.615794507446374
1987	22.84178279960193
1988	18.81638846737481
1989	27.82368984904681
1990	48.64087664041995
1991	34.11279849095876
1992	45.843178838227715
1993	40.992665793974474
1994	38.783929516674135
1995	37.676758189736795
1996	41.297330153112256
1997	37.66988566792063
1998	30.33423354490914
1999	48.025916897812735
2000	64.92741623991276
2001	52.15035205292193
2002	51.90907860705972
2003	57.493627020376024
2004	49.496038411108394
2005	56.395273722580896
2006	57.61095272455828
2007	49.437852100698
2008	55.768762568956646
2009	47.70256936444247
2010	60.18159932650357
2011	59.47362399963782
2012	62.53644876449482
2013	59.93030100210043
2014	54.9142763996504
2015	41.175690792893626
2016	33.144088580207196
2017	47.20285613138383
2018	53.364978591901156
2019	46.72197182338159
2020	35.86302530506266
2021	42.10384002530014
2022	50.44217398170247
2023	42.7924171948166
