Year	% of GDP
1960	12.640003675854317
1961	12.064891793822351
1962	13.79973032447814
1963	14.588925887688148
1964	15.183565457576623
1965	16.95748605427095
1966	17.68196437006331
1967	16.52102062047342
1968	14.000369904963906
1969	13.770579085474019
1970	15.244385413130665
1971	16.405116097293863
1972	19.883552347076854
1973	22.655780267753347
1974	18.938973541538786
1975	18.23228296293224
1976	20.86725331115854
1977	18.21162130811237
1978	17.68734676415421
1979	30.532704919494225
1980	27.629478635058298
1981	32.37647355906354
1982	34.90409021464028
1983	55.159217681455985
1984	69.89629473660877
1985	65.5136166954578
1986	58.03804195141531
1987	60.43560420874567
1988	63.49943978690704
1989	37.61168665642668
1990	57.209725332597074
1991	20.0783857520739
1992	19.41889781347613
1993	20.2735010930741
1994	13.92687165522035
1995	15.663419288796346
1996	20.496523759920706
1997	27.394764920882743
1998	30.612135616281215
1999	31.109206617171104
2000	30.106176389009757
2001	28.38526675972533
2002	30.915640158812202
2003	32.248845976035895
2004	32.91503375969732
2005	31.53823497894981
2006	30.43564338199692
2007	31.290631850230668
2008	27.94250292548067
2009	31.156260285796044
2010	34.208011163712015
2011	32.87813041353391
2012	33.531667160134276
2013	36.23547395517613
2014	36.825877191504944
2015	38.85674454802923
2016	39.454145714956
2017	42.01544725516149
2018	34.45187164121166
2019	35.761192634134865
2020	39.935472928198365
2021	39.79507201946866
2022	39.25642894603407