Year	% of GDP
1960	18.813214818507504
1961	16.343061812242222
1962	24.183958257493025
1963	25.977893917718315
1964	28.032374028117594
1965	20.267987839207297
1966	25.33794084764712
1967	25.00966370313104
1968	26.642572514132144
1969	26.11133685493702
1970	27.929666105688323
1971	27.70569696969697
1972	24.64323035121264
1973	26.974172637325143
1974	34.97255357692176
1975	32.23510641253612
1976	29.17573604960142
1977	28.277450240892936
1978	29.4660780669145
1979	31.767481996071872
1980	34.069185215860855
1981	29.00167299273934
1982	24.635058180322712
1983	24.363043619721058
1984	30.010074262549598
1985	30.83409545402438
1986	26.48654439926437
1987	32.530977164384296
1988	36.87080714144381
1989	38.80100488288161
1990	38.58770576610417
1991	43.01309580680069
1992	43.661051225615
1993	41.61356437465565
1994	40.94936835388646
1995	38.67123775791096
1996	37.75578114415802
1997	39.010949625407875
1998	41.60141843449391
1999	41.32165117396718
2000	43.802567954379064
2001	38.619947719379354
2002	37.99927274728868
2003	42.29650502588843
2004	40.20394629630575
2005	33.322420584348826
2006	35.54156636595581
2007	35.18520866511571
2008	37.48531659722254
2009	29.58135450468492
2010	33.324183865499144
2011	34.80269058995022
2012	33.80549601932363
2013	31.51459739010688
2014	30.345032690974932
2015	28.409495417775048
2016	27.67659173370381
2017	26.542940082188128
2018	28.504535082217824
2019	27.941862879663365
2020	25.997959392874275
2021	30.982164987188447
2022	32.16879401786492
2023	28.47657605881893