Year	% of GDP
1960	25.324397664479626
1961	24.041193376579038
1962	24.57515106813582
1963	25.910123320507488
1964	26.7676436261823
1965	26.05080549734834
1966	24.839016614715774
1967	24.314512026783415
1968	24.12416530521415
1969	23.874581278050865
1970	23.77242347107438
1971	23.09105304914297
1972	22.07687161873976
1973	26.55767964672822
1974	25.850937676021342
1975	23.27265946249386
1976	24.200605113500025
1977	24.357078677380123
1978	25.30389625159436
1979	27.319834106660156
1980	29.564854916352186
1981	26.960920726184384
1982	24.751286613555333
1983	23.451274503199375
1984	25.336013758505466
1985	26.845532883076075
1986	26.67371526486677
1987	29.52126110080914
1988	29.357109616356315
1989	27.364357141809787
1990	26.246505165865646
1991	25.616728203485977
1992	26.613237391174916
1993	28.289648620844126
1994	31.27392228215794
1995	31.071308269099678
1996	31.32690757454596
1997	29.56597831801892
1998	30.155294769533636
1999	32.14096985077363
2000	32.53471198145695
2001	33.52612652353259
2002	34.79710294601333
2003	34.091870209237115
2004	31.879251350265996
2005	33.258640477739284
2006	35.09939010889519
2007	35.870330360332154
2008	36.694010033663126
2009	34.43314409409556
2010	36.05853717740446
2011	36.85089815197677
2012	33.445226953090646
2013	31.3903773761663
2014	32.50223006941948
2015	29.30863306370955
2016	32.19453036162938
2017	34.66102966724604
2018	34.445855963151544
2019	35.31792694316327
2020	34.77551246635339
2021	38.87208968740022
2022	42.63972153927982
2023	38.20603330433683