Year	% of GDP
1960	14.75743287957019
1961	13.829797179579895
1962	12.227311749982455
1963	12.350394366520776
1964	12.651620805687468
1965	9.709363840761805
1966	14.346728525619156
1967	10.341522294802614
1968	12.81127062264423
1969	13.009272518974651
1970	14.554711978790069
1971	16.016832813722846
1972	12.798105625112068
1973	12.664089488402697
1974	15.630428309097224
1975	14.011572222715918
1976	13.895015687527007
1977	13.198767089042482
1978	13.798547972648317
1979	13.44513074762558
1980	15.597005946312208
1981	15.418154271820326
1982	15.190938366186174
1983	13.24030323459622
1984	12.46395774084008
1985	12.525325304683982
1986	11.993389468051943
1987	12.915880589383447
1988	13.856634378248774
1989	13.819058436866477
1990	15.915141351666506
1991	14.435379192274917
1992	17.09303664828695
1993	20.992976159484268
1994	20.919175615569202
1995	20.963487428556355
1996	20.844645484931203
1997	20.755524345208602
1998	20.901572216522613
1999	17.80270056402532
2000	16.75194575386873
2001	18.513976028443533
2002	18.167069536896253
2003	19.94088380546733
2004	19.09267550899721
2005	20.45165375579214
2006	21.912768209976893
2007	20.66575497192576
2008	21.058054281361652
2009	18.731632819883046
2010	17.92375840899904
2011	20.1939184812196
2012	20.02394573500356
2013	19.900209076408814
2014	20.852716531459468
2015	22.710552608948547
2016	21.48551370600455
2017	20.13762519405828
2018	20.635033119354215
2019	21.69049532671489
2020	20.53329540867989
2021	23.86214043872638
2022	27.84157747598128
2023	22.724103030855773