Year	% of GDP
1960	33.670104543988266
1961	31.129951746985807
1962	30.1251538874463
1963	28.962764663523355
1964	29.212230936815082
1965	30.695855975268234
1966	30.872802251406316
1967	29.373012267151292
1968	29.2973599271704
1969	28.088701161562827
1970	30.663919254007617
1971	35.189107913215985
1972	28.727079457879352
1973	28.669014004326538
1974	40.897520505326675
1975	34.511581850087744
1976	31.755637727022563
1977	31.593096403032423
1978	38.68802232489157
1979	31.611020513260662
1980	35.89983172324868
1981	33.820304437564495
1982	31.558271148705014
1983	28.212772985292528
1984	32.05400492589862
1985	30.14650159307064
1986	29.893030320057346
1987	26.397546658249198
1988	27.603768530853472
1989	30.12334779503545
1990	31.32830771679042
1991	28.55606690034591
1992	26.67049591319357
1993	33.954851193760135
1994	34.22584439089564
1995	39.154040421300564
1996	32.111508754385916
1997	31.37072950865428
1998	28.727981112546868
1999	27.35953979040202
2000	31.72147324446485
2001	33.01525966432763
2002	30.27469964930513
2003	30.045450590308025
2004	32.866744773131586
2005	35.969835949778385
2006	32.25154548154418
2007	31.975797511235974
2008	34.904541094086404
2009	27.170246321179174
2010	30.269927702404082
2011	36.852728903734615
2012	31.75874430036472
2013	29.672461959564867
2014	29.697684896403715
2015	25.198650788451495
2016	21.615274772506528
2017	23.258397934034907
2018	21.87277784338352
2019	20.331470061665055
2020	17.595949443167427
2021	19.9151007070202
2022	21.51430768517258
2023	20.58384540720189