Year	% of GDP
1960	2.3695451396906
1961	2.41513985411521
1962	2.3636953699697103
1963	2.44663463919568
1964	2.64824279705097
1965	2.952292961532
1966	3.45138290370603
1967	3.7937639672235797
1968	3.83727358459887
1969	3.3859198800219197
1970	2.96603557682305
1971	2.76315170889944
1972	2.68562060485785
1973	2.37934679594664
1974	2.26280269948392
1975	2.26731559253735
1976	2.2166121067524798
1977	2.24720220833707
1978	2.2156885699105797
1979	2.19272937103289
1980	2.24895690403517
1981	2.2966019447106403
1982	2.3932652161369203
1983	2.51981181916526
1984	2.50523365070013
1985	2.52326837870517
1986	2.54042975157867
1987	2.37298883241393
1988	2.16181488266294
1989	2.0518275094775
1990	2.07590585971773
1991	2.16804285831077
1992	2.16874608012627
1993	2.17802988646311
1994	2.11659858893427
1995	2.02131256804327
1996	1.93044006740518
1997	1.86733439499343
1998	1.8711218131061198
1999	1.88923574072912
2000	1.82984191251005
2001	1.8700938789187198
2002	1.87396462061393
2003	1.84628968871455
2004	1.82741076940486
2005	1.80249267959937
2006	1.82233092604478
2007	1.8122732342269798
2008	1.7966880893183799
2009	1.92393833394007
2010	1.85292825768668
2011	1.75565694660719
2012	1.6709639653849102
2013	1.6391801995446103
2014	1.77305887756791
2015	1.9536335918401
2016	2.0885308793071
2017	2.00423407657625
2018	1.89567007851003
2019	1.8810434541848602
2020	2.01064009885885
2021	1.9891227003581602
2022	1.89882434777792