Year	% of GDP
1960	6.250000318877567
1961	6.896551995923231
1962	7.377048973010333
1963	6.015037645671645
1964	5.369127352049784
1965	5.766593118253921
1966	6.767566522063497
1967	6.851483879238511
1968	8.189644416718652
1969	8.288770053475936
1970	4.530794619357694
1971	7.607678643264915
1972	3.181696101947637
1973	5.311823806923396
1974	4.052299600948896
1975	7.580076434196914
1976	9.088417503542285
1977	11.19641139489673
1978	14.036886178698952
1979	14.916215475536282
1980	13.885767993872575
1981	17.00617559984498
1982	14.4573966443689
1983	22.826799658248724
1984	18.370835484171245
1985	13.86112932394752
1986	11.644229998323627
1987	22.612371605962633
1988	15.035139901555631
1989	16.462886790424513
1990	14.536976861737793
1991	14.409763187948919
1992	10.63829806567829
1993	11.540149279386874
1994	6.974127152046634
1995	6.363436388009001
1996	8.209806157354619
1997	6.096849474912486
1998	6.771614192903548
1999	5.884936319718928
2000	2.7811377098961927
2001	4.468258562600108
2002	3.94866019879363
2003	7.868790037064022
2004	10.347097130117563
2005	18.2
2006	18.51298572410108
2007	15.1864583013854
2008	13.408958689033085
2009	18.974873021283507
2010	17.160382431837544
2011	16.345747559703128
2012	16.338144687030766
2013	14.632638517119211
2014	14.203057157241853
2015	12.16345825054958
2016	9.237409969694315
2017	8.806015604546744
2018	11.103458593014848
2019	14.128700000528829
2020	11.445986919033263
2021	13.112619999927052
2022	13.386880814869869
2023	12.987382093999841