Year	% of GDP
1960	2.4025295429192983
1961	2.40771900250404
1962	2.2932670411754725
1963	2.1248828196470853
1964	2.3443435602106306
1965	3.2445928543925193
1966	3.524415367770787
1967	4.842201429052223
1968	5.809384764565427
1969	6.592477935601241
1970	4.9738062562329866
1971	4.808418415965582
1972	5.01982621061154
1973	4.673408241135699
1974	4.216872570429234
1975	6.253043237134009
1976	5.193573238836753
1977	5.369332518071256
1978	5.099530407062567
1979	4.594719108170627
1980	3.8556536057631843
1981	3.2125556370653645
1982	3.092873388001641
1983	3.3071145511620683
1984	3.1099107586085393
1985	2.966108758723582
1986	3.159284490027223
1987	3.0717948289748103
1988	3.2253410930691673
1989	3.194367471529479
1990	3.0340689750787724
1991	3.027124592427797
1992	3.144068770774996
1993	3.0908112117103963
1994	2.519072875945165
1995	1.9800909653094214
1996	1.7787653983418532
1997	1.6484599977546575
1998	1.5882065343834428
1999	2.585739882243166
2000	2.3907299711785015
2001	2.2697284442935004
2002	2.388641304609491
2003	2.1662119171751373
2004	2.0941126566967005
2005	1.8748992039394692
2006	1.6251200037508822
2007	1.585333896325565
2008	1.5638554275056524
2009	1.5259136113878462
2010	1.4910934313027278
2011	1.490425000158416
2012	1.5113141827858243
2013	1.4495721917119053
2014	1.4100115595050253
2015	1.3527125027340379
2016	1.509741064223741
2017	1.607339476404978
2018	1.7312158866107783
2019	1.4882921670846914
2020	1.4825665514527824
2021	1.65019228235002
2022	1.380414773894841