Year	% of GDP
1960	22.938650306748468
1961	23.903954802259886
1962	25.205263157894738
1963	26.358490566037734
1964	26.007968127490038
1965	26.098901098901102
1966	25.555921052631582
1967	26.192771084337352
1968	26.662125340599456
1969	28.52709359605911
1970	30.45945945945946
1971	31.179591836734694
1972	31.628318584070797
1973	32.32995658465991
1974	30.272222222222222
1975	31.30090909090909
1976	38.73231218088986
1977	29.97836668469443
1978	32.023962344886606
1979	33.13233376792699
1980	29.776192144502595
1981	32.63644311324236
1982	31.290949016162333
1983	28.403516933384193
1984	29.134114893913882
1985	25.498502910075466
1986	26.567781876542814
1987	25.975131469718875
1988	11.129999722391931
1989	16.516637651307704
1990	22.513417076737888
1991	26.114745760131967
1992	27.138456073997098
1993	21.586800645204665
1994	22.919933545920113
1995	23.139393806807213
1996	21.838814190883273
1997	27.14071541526895
1998	25.942576892609775
1999	25.997696850554338
2000	21.357251509500834
2001	23.94671874173568
2002	23.905513740591477
2003	24.772537825008985
2004	25.010103182834833
2005	25.437083181985916
2006	24.40477831928372
2007	24.813608735009126
2008	25.180263611350824
2009	28.475639955786423
2010	29.307884636634206
2011	29.487426238803156
2012	29.98510735518254
2013	31.654080040216193
2014	33.195968844765616
2015	35.12920261350701
2016	36.55344349251366
2017	37.44990476814089
2018	36.489820866156506
2019	36.73636306133547
2020	43.51039931188188
2021	43.10551888644547
2022	41.811613967221014
2023	43.035010132164686