Year	% of GDP
1960	9.790528262895325
1961	9.88909099767856
1962	8.7831413018421
1963	9.451787777953502
1964	9.34148561029539
1965	8.952486315537445
1966	8.797616607855401
1967	9.063285130338418
1968	9.416024095093894
1969	9.203467580590573
1970	9.703625851545128
1971	10.022736100191162
1972	9.918794051252508
1973	10.943573135632418
1974	13.935426449141078
1975	14.973685480783699
1976	14.47990997276613
1977	14.854026659630854
1978	15.211978952286929
1979	14.753097686442986
1980	17.162027039538348
1981	18.140859510427315
1982	17.32797444949882
1983	16.239477369316326
1984	15.19065570359825
1985	15.187764309309717
1986	14.441097762354033
1987	15.317341464664164
1988	17.63883238872942
1989	18.506138543453808
1990	18.01146737846096
1991	19.162527853301
1992	20.095166577780777
1993	20.480538700903065
1994	20.735250293449987
1995	21.55018497865381
1996	21.270983798920724
1997	21.529924840684593
1998	20.45885749548161
1999	21.432774978712672
2000	23.81617501821535
2001	23.65206427250471
2002	24.88290769399813
2003	26.669384045912185
2004	29.011810125474664
2005	28.57636382522847
2006	28.377014592541762
2007	27.602223145736605
2008	27.77637562814451
2009	23.305041331431113
2010	24.897871402818712
2011	25.677277263857935
2012	25.53681575267559
2013	25.183157432602783
2014	24.48965673526243
2015	22.300255057889228
2016	21.287659520541805
2017	21.819853995646362
2018	22.91137210257553
2019	21.947604938877582
2020	20.23187668747883
2021	22.043702731165833
2022	23.38196815693608
2023	22.421795620396843