Year	% of GDP
1960	7.09248637082215
1961	6.921387522859219
1962	6.94416604105903
1963	6.80074341068238
1964	6.5960560131351595
1965	6.43697857340144
1966	6.24903679676674
1967	6.2357037120617
1968	5.9411052003122
1969	5.5021956389853
1970	5.19741323809566
1971	5.076330622546029
1972	5.1710477559332
1973	4.90616105746511
1974	5.069427114905349
1975	5.33960343915615
1976	5.17550333681554
1977	4.92327762103886
1978	4.73304308586993
1979	4.67975756747534
1980	5.01990345888742
1981	4.98376336921746
1982	5.3813265211547705
1983	5.39688559001511
1984	5.508079498059519
1985	5.32070461905547
1986	5.05982373679728
1987	4.68666844260533
1988	4.214287628388489
1989	4.04095433156431
1990	3.983217694585
1991	4.11680242273171
1992	3.86471776641263
1993	3.5906495124797897
1994	3.38193371776532
1995	2.85419949053587
1996	2.72459232198324
1997	2.56014877225605
1998	2.49596227501881
1999	2.42290959332375
2000	2.3727966452319
2001	2.41112210130721
2002	2.4856596747070503
2003	2.55206201518244
2004	2.4978213675162597
2005	2.42271607573388
2006	2.36967440284241
2007	2.3746577712773798
2008	2.4871500848402
2009	2.6477245325979704
2010	2.56799960467203
2011	2.49660572562908
2012	2.41848641777485
2013	2.29111791300379
2014	2.18411844544609
2015	2.04405824127615
2016	1.97673348686221
2017	1.94766638785079
2018	1.9399534627168697
2019	1.98132730031255
2020	2.15677756004236
2021	2.1615719177569304
2022	2.2271839786605097