Year	% of GDP
1960	7.345389595891941
1961	4.269293924466338
1962	5.988361178899944
1963	6.485355648535565
1964	12.440043323533963
1965	11.740947075208915
1966	11.018867924528301
1967	10.780710546831497
1968	13.755886970172684
1969	14.396957624049259
1970	16.611488164211224
1971	13.83681622618316
1972	17.230861244019138
1973	19.808483697372587
1974	23.07619092942464
1975	16.74425370963049
1976	16.971847732635776
1977	16.28652390021833
1978	17.181723890322065
1979	17.61002106196652
1980	18.87963887561549
1981	16.363324332920755
1982	15.28444136407949
1983	17.51596732427973
1984	17.50659940313134
1985	15.671381480550098
1986	9.17559142441638
1987	9.146336758944393
1988	9.60942043346594
1989	10.929304116515315
1990	11.382628400398906
1991	10.091493584642123
1992	7.685000630961943
1993	7.258180335505797
1994	8.836967674075561
1995	10.608859209373774
1996	11.54467105996266
1997	11.383512252720456
1998	10.722718542791222
1999	8.36539408856868
2000	9.095193619149978
2001	8.984910495040571
2002	10.213323187666857
2003	12.465704928353082
2004	15.834218095968938
2005	17.70796626343269
2006	22.870911209786858
2007	22.716056913388336
2008	24.498831232906397
2009	19.78943670959174
2010	23.870304490785486
2011	25.51856071131243
2012	27.056624072853303
2013	25.97177840936591
2014	22.355503450621814
2015	14.085023746550759
2016	13.632338386983553
2017	15.323922335553569
2018	15.463978065475025
2019	13.412228764388306
2020	10.82004646960928
2021	13.420039287246311
2022	14.084076904629612
2023	13.111187158024853