Year	% of GDP
1960	7.656190844786398
1961	7.718028022478688
1962	6.750612102133613
1963	6.6043712385175795
1964	6.897083126555548
1965	7.353162637311299
1966	7.550154598403681
1967	7.746818025455797
1968	7.15926730828935
1969	7.84073731145723
1970	7.951680672268907
1971	7.018339379282547
1972	7.457288345310046
1973	6.48450854411846
1974	6.5348728937173135
1975	6.865245892646535
1976	6.81052817398446
1977	6.468387684759139
1978	7.159094417056158
1979	7.069799580743501
1980	7.958165687232666
1981	7.900086857969671
1982	7.743489999202363
1983	7.6022096087421165
1984	7.665258630778685
1985	6.953550630627739
1986	7.0962242259362025
1987	7.902433694369232
1988	7.9815047354053466
1989	7.895425786337332
1990	6.58421335494863
1991	5.422566449794099
1992	6.424883045039283
1993	6.356311221727581
1994	5.573249572014878
1995	5.509959152594148
1996	5.080309093522167
1997	4.997301373196958
1998	5.6774618070616105
1999	6.321636148699317
2000	7.00261473951945
2001	10.219568168739395
2002	9.820932785501524
2003	9.752416093761967
2004	8.906631330187697
2005	8.613525102505886
2006	8.50696938888144
2007	8.79868760763897
2008	9.161345190807369
2009	10.345630216765118
2010	10.646247618634312
2011	10.358483079497757
2012	10.513503070973721
2013	11.287948608284578
2014	11.255384930652651
2015	11.088108525788515
2016	10.440352787248003
2017	10.572823006819046
2018	11.120258551506023
2019	11.1070048234102
2020	11.468382350061582
2021	11.312888332615564
2022	11.518549417470695
2023	11.584434596136823