Year	% of GDP
1960	27.62154880317351
1961	15.892116509167861
1962	13.927201976716594
1963	15.979639340703306
1964	18.280736119309644
1965	18.702706192538276
1966	19.732224886635073
1967	16.658071472216925
1968	15.81577565889655
1969	18.727771047327092
1970	22.236790821540133
1971	23.038421075352133
1972	23.085656906287433
1973	22.555541478700345
1974	23.574126304557566
1975	25.855235357245505
1976	25.160282032584526
1977	24.74361594983504
1978	24.75034672319921
1979	24.479546224587605
1980	24.802970231619316
1981	24.359054915689047
1982	25.105597406271496
1983	26.354609631265426
1984	26.456009351920212
1985	27.29212296170727
1986	27.07582598903554
1987	25.64214134313414
1988	27.478230567720008
1989	26.30891357813963
1990	26.883412852300847
1991	28.300471485753164
1992	30.23461366977141
1993	33.69790581569188
1994	32.83176703087757
1995	32.3719520495141
1996	32.120281391947366
1997	30.726206744081363
1998	30.24684950254899
1999	28.81040147932251
2000	29.3326077567982
2001	30.33429835511572
2002	31.327578204297957
2003	33.66836404204753
2004	35.151062363036885
2005	35.49739185730917
2006	34.95706795198334
2007	34.623199704680715
2008	35.91567693819904
2009	40.17982396578439
2010	40.17052890338038
2011	40.33463813632437
2012	41.06491061491147
2013	41.41275852233492
2014	41.0480465736163
2015	39.84942040707444
2016	39.350347941823934
2017	39.62030204279446
2018	40.5635623037843
2019	40.43321698108351
2020	40.12351046226661
2021	39.91267405436378
2022	39.65877260150555