Year	% of GDP
1973	14.995517656062097
1974	14.8727379438521
1975	15.758853613818392
1976	13.066745625458504
1977	13.014786291875241
1978	12.581794481859657
1979	12.519048602287846
1980	16.25273695919443
1981	19.6472757554128
1982	20.65046878573062
1983	19.504970828471414
1984	21.928804031529666
1985	23.25729040644815
1986	25.97737433425339
1987	24.848685311589016
1988	25.30544777767263
1989	29.155005417473816
1990	28.554060204147973
1991	26.097598180607946
1992	21.088160075775512
1993	16.853424010190874
1994	16.23767245899861
1995	14.54110772111644
1996	13.377058589783214
1997	17.276117294762415
1998	20.221154339023016
1999	17.61265037040393
2000	17.134185172250866
2001	16.406861162144224
2002	14.844075578053278
2003	13.529602075830374
2004	13.555084760666084
2005	14.059170272956143
2006	11.42294714592324
2007	13.970543797045435
2008	16.182444938439165
2009	18.326081845212403
2010	17.960549859587275
2011	17.61619276429933
2012	18.947957003572796
2013	20.73076280048439
2014	17.93041322933591
2015	17.610187734372985
2016	17.409669770395652
2017	15.044513135219637
2018	14.771737776503366
2019	14.5220368012283
2020	15.362205957547115
2021	14.210864677365606
2022	12.490272692966101
2023	14.355369322636207