Year	% of GDP
1960	3.49855219180543
1961	5.20077779707383
1962	4.5991071610616
1963	5.39033286922567
1964	6.3572126287034
1965	6.36179949324117
1966	7.1194539097835
1967	8.81095507849502
1968	9.60588437329002
1969	10.1739981319075
1970	8.454452781685
1971	6.80935462075174
1972	6.38589532781234
1973	7.82371266236075
1974	9.44879244031512
1975	12.0958220694892
1976	9.35141827979458
1977	10.2676657438915
1978	12.4139388936589
1979	17.8683887356034
1980	17.1723285511011
1981	13.1188052376698
1982	10.9384683882669
1983	10.2315410991367
1984	11.436510825057
1985	13.9942268796022
1986	20.2825766063297
1987	21.2136452880591
1988	7.03572835455867
1989	6.43063220119775
1990	6.4810990406711
1991	5.94840642548766
1992	6.08781622017682
1993	5.03453734492648
1994	3.62566869671399
1995	3.85047765587526
1996	3.64248250900514
1997	3.23429328606989
1998	3.30627847904118
1999	3.58610460568817
2000	3.47936369672946
2001	4.338486053348
2002	4.21236731197982
2003	4.19489744248441
2004	3.13376265896053
2005	2.54174174242699
2006	2.2153115324519
2007	2.39770684865694
2008	3.0622240949457
2009	3.93102579961147
2010	4.23672073730452
2011	4.84850222141189
2012	5.81733138541315
2013	6.08903510705176
2014	7.80152878915459
2015	8.35251776336114
2016	12.473111631016
2017	12.1553941144657
2018	11.2489099365729
2019	9.93460426867833
2020	10.0744986082179
2021	11.9205291930437