Year	% of GDP
1960	11.240575736806031
1961	9.227871939736348
1962	8.617594254937163
1963	9.525389976767341
1964	9.523809523809524
1965	8.551724137931034
1966	10.545267489711934
1967	11.12626381377851
1968	13.41240478781284
1969	14.857601283594063
1970	16.43577296489918
1971	16.679666725757844
1972	16.17820790922743
1973	17.998138957816376
1974	13.047239970671415
1975	11.743157894736841
1976	12.972977730833554
1977	13.223615186271894
1978	13.088191212431962
1979	16.10858909584496
1980	16.681631299734747
1981	20.115154672207556
1982	25.818188105117567
1983	29.775340599455042
1984	31.562355287892046
1985	29.946871794871793
1986	33.9110153876044
1987	30.263567474429713
1988	40.41580571328675
1989	25.676942440093462
1990	27.16852322381832
1991	17.42143150438844
1992	19.196638421705824
1993	18.603421622353018
1994	20.04993826223828
1995	26.02243439316691
1996	39.34558605904216
1997	45.43350665332157
1998	52.55438466603446
1999	50.065748434117964
2000	50.47444911171603
2001	52.782897488677236
2002	53.13010133418467
2003	44.886594152598846
2004	41.04106010708605
2005	41.725899935101566
2006	16.62947718731173
2007	16.67795614573211
2008	17.686056219213704
2009	18.197027060097238
2010	19.523201905955677
2011	21.480336659023223
2012	23.350098162372372
2013	26.041274789749803
2014	28.698805349775625
2015	29.315185948031598
2016	28.528603213206118
2017	27.500492440955515
2018	28.214749961230684
2019	28.058917753864037
2020	27.187023216671037
2021	20.166541006136736
2022	12.590012645384622
2023	12.854118277716445