Year	% of GDP
1970	47.16337550770902
1971	44.18672501823486
1972	45.858739837398375
1973	47.864362569285944
1974	53.5509396636993
1975	53.134878819810325
1976	55.943855628759664
1977	53.89631144921051
1978	52.54371122391427
1979	58.80846540394279
1980	58.69384704807772
1981	58.87547735951991
1982	58.44234131050696
1983	57.992916813106596
1984	66.19839655378725
1985	60.74322783891895
1986	52.770348385760876
1987	50.00613233580671
1988	48.40383820237535
1989	51.9781167466178
1990	52.60814165801884
1991	54.63556544288968
1992	59.23405884981171
1993	57.55365060597103
1994	58.814569536423846
1995	56.91425246269587
1996	55.116170957755116
1997	55.24686352144255
1998	57.89601782337633
1999	61.4012311333669
2000	68.51692687689317
2001	67.23382435204176
2002	62.65599455544788
2003	57.914769345753
2004	58.79955227453594
2005	58.01874344071635
2006	59.6032650403479
2007	58.425160574909064
2008	64.40873045204482
2009	55.145723005347214
2010	58.2516155049129
2011	59.239074308782804
2012	57.02180290030989
2013	56.01618577558989
2014	55.14814646949514
2015	54.88827198440076
2016	52.46225452079732
2017	54.19022853290406
2018	55.79917236333707
2019	54.46444324073357
2020	43.98217029683651
2021	48.549645568067106
2022	54.08691898114837