Year	% of GDP
1960	6.281813562167618
1961	6.420216755176182
1962	4.008478717722547
1963	8.933145444011878
1964	6.460996664973533
1965	7.503164430591525
1966	6.530203907579679
1967	5.677192175423339
1968	5.990874444079564
1969	6.671565384187941
1970	7.029425604988263
1971	6.457220500387815
1972	7.272113964079716
1973	7.844873429025179
1974	7.673127810881889
1975	7.2180068263761745
1976	7.01316307160746
1977	7.245261155423662
1978	6.692986079323971
1979	7.240780048765684
1980	8.962394873267469
1981	9.622840370968417
1982	7.900484525322583
1983	12.243755565929119
1984	15.03541253548775
1985	12.948579096143758
1986	9.217279070001268
1987	9.828482027335514
1988	11.667358547693098
1989	8.929609671889008
1990	8.197238058863949
1991	8.677636598878678
1992	10.868311660593474
1993	10.50327165541441
1994	9.513076427020039
1995	7.528875038470733
1996	6.730209683126849
1997	6.983649575308945
1998	7.030500338718067
1999	9.5648982609794
2000	10.188048004379477
2001	12.371710669930001
2002	14.230590271377547
2003	15.18078370868613
2004	16.545761511935275
2005	15.243829267264639
2006	14.374316300300583
2007	13.327675103098999
2008	13.534000512403505
2009	10.85137113409795
2010	10.865584774696483
2011	11.582512678280827
2012	11.877539069444792
2013	11.742230645137997
2014	11.011942819053901
2015	12.900191417740489
2016	12.466679044388808
2017	12.518967870066856
2018	14.634999495298567
2019	14.122919190362168
2020	16.453552010704378
2021	19.109430367386576
2022	19.630765003437055
2023	18.110279421644243