Year	% of GDP
1960	49.15659305998622
1961	39.981864533949256
1962	42.49716342514514
1963	40.5984147577089
1964	35.916524797658944
1965	34.080071801601655
1966	40.64747597048323
1967	34.904728955673995
1968	37.88266154396705
1969	38.800535077938655
1970	38.55882352941176
1971	39.6855110445526
1972	41.840052015604684
1973	47.824764222695464
1974	57.828968128747235
1975	55.37214157401563
1976	53.82002022244692
1977	58.83093325435901
1978	46.07119701133101
1979	55.14188946477139
1980	53.66296079578701
1981	48.614257263177095
1982	38.84543815781822
1983	39.92713975795118
1984	36.424570624618404
1985	37.39741664163412
1986	33.51045200284191
1987	44.598784765722876
1988	42.77467521647756
1989	60.16889110162189
1990	56.290062908082646
1991	56.47924663953473
1992	63.888006888571965
1993	68.76919916375634
1994	78.45449821280732
1995	68.9765751565305
1996	69.91417905586829
1997	66.22297869144238
1998	61.42484477078705
1999	64.30840491666382
2000	65.2849861212903
2001	67.3681324999384
2002	71.64430768141078
2003	61.5469905405418
2004	78.11492859290972
2005	80.13300248666059
2006	74.20522658659272
2007	76.37935351571971
2008	74.22796009901718
2009	59.943825239367555
2010	64.01016469472577
2011	50.69609434565533
2012	35.36869033159418
2013	44.70525478335319
2014	54.2644225210945
2015	51.08620782283695
2016	67.11193653309277
2017	61.05085217196312
2018	50.65909911448283
2019	41.9994711236162
2020	48.401362179255145
2021	97.85125423119771
