Year	% of GDP
1960	3.77697093998143
1961	3.7206133312956897
1962	3.8634442931593003
1963	3.9672772424099203
1964	3.8661977381093102
1965	3.91263074939103
1966	3.8580132711709703
1967	3.61145184983266
1968	3.4765468776781097
1969	3.4592807325458304
1970	3.35866826147039
1971	3.41003678543619
1972	3.4079643498660204
1973	3.27858730550753
1974	3.21539704912016
1975	3.08160313845438
1976	3.00311290223018
1977	3.10108211536798
1978	3.1477754879379303
1979	3.12335742266503
1980	2.92345159602684
1981	2.9482371468705098
1982	2.85375478407458
1983	2.7378226181065504
1984	2.67196132262297
1985	2.6730084000738
1986	2.58656825639449
1987	2.65329051466664
1988	2.58528674880736
1989	2.5088339222614797
1990	2.5689803154591897
1991	2.45430639025377
1992	2.44419307170226
1993	2.38683434804186
1994	2.2799385244374504
1995	2.15896881665563
1996	2.14090775518102
1997	1.9532769236896401
1998	1.87262378757035
1999	1.8908850725377802
2000	1.83267304982489
2001	1.71274737307638
2002	1.6411545404720802
2003	1.5967899694360799
2004	1.44128335992893
2005	1.40698751486224
2006	1.31820552345733
2007	1.29998150757256
2008	1.16374723679633
2009	1.15980434381161
2010	1.18712854137069
2011	1.10169116434029
2012	1.13011028867624
2013	1.11252053864955
2014	1.12644731800047
2015	1.06650205259044
2016	1.0530163887864
2017	1.023179204574
2018	1.03224609210767
2019	1.09340922552771
2020	1.14608642427625
2021	1.19327656149619
2022	1.30746311852624