Year	% of GDP
1960	35.42131050409129
1961	20.1550790287889
1962	15.297198813759211
1963	20.670517450416863
1964	23.02814857302059
1965	25.59122195602303
1966	28.71059954415407
1967	22.62809579331282
1968	23.131053121015924
1969	23.401989413138676
1970	31.108511738005202
1971	31.973337137989933
1972	30.052590981887388
1973	31.418148490272447
1974	30.474622594832645
1975	32.261850178835225
1976	29.797931976562893
1977	30.446866931292533
1978	31.806705435940618
1979	31.405411864002954
1980	30.019153473301046
1981	29.212102895700703
1982	28.88760802025346
1983	30.889226370353835
1984	30.482488889951952
1985	32.84082026458808
1986	31.468310304089652
1987	30.120818379796738
1988	33.083584856129356
1989	34.1610378058188
1990	33.84560583272675
1991	34.58551372745106
1992	35.85597542355695
1993	37.84832666604361
1994	36.92175027243328
1995	36.928447862243644
1996	36.32705326301496
1997	34.26570329977667
1998	31.729836390824147
1999	30.10378929114985
2000	30.259990159423722
2001	32.1893354131263
2002	32.56059156421439
2003	35.42676716743803
2004	37.2781063625804
2005	36.55563404177584
2006	35.976217630653274
2007	36.61284752667959
2008	38.61400967371222
2009	41.18368497543611
2010	42.52911916384679
2011	42.85592589765694
2012	42.93630996524337
2013	43.19266141697034
2014	42.81151801375723
2015	40.83152065177047
2016	40.29857221581643
2017	40.73107582987745
2018	41.616999426382215
2019	40.908183326712575
2020	40.85051756823396
2021	41.17183078631438
2022	41.041333775178884