Year	% of GDP
1960	34.23954706884314
1961	35.29251939389041
1962	34.39262454548807
1963	33.93545167763895
1964	35.886030032337935
1965	36.823411280231944
1966	36.40699068233566
1967	36.22371932821063
1968	40.699872090040735
1969	36.761797566222285
1970	35.769325514347706
1971	32.20999269945461
1972	33.51212081305611
1973	35.75389082054382
1974	45.69688756680113
1975	36.72858255073225
1976	41.741470258236234
1977	42.62604183961379
1978	36.521203070370355
1979	34.60332236307508
1980	35.001629331394334
1981	35.17500349062595
1982	36.423228685315266
1983	36.95985991430004
1984	45.311927697072214
1985	46.77491298168871
1986	39.49590840895052
1987	33.42999019831881
1988	30.488128493597742
1989	32.033335638127106
1990	31.689874670199764
1991	30.011726344451766
1992	31.90948692754215
1993	29.442452874173636
1994	40.52740186403806
1995	41.75929966367061
1996	28.054808911974526
1997	28.161951042363075
1998	27.1844537490724
1999	28.737501633735913
2000	27.790058563560272
2001	27.469814629524127
2002	31.361161437555978
2003	28.74101340724901
2004	30.141288867863064
2005	31.878980225236724
2006	32.84093023342093
2007	30.4909527241434
2008	31.013669071374395
2009	35.4127413048103
2010	33.49957459083213
2011	35.28137635196339
2012	34.98249039834226
2013	29.160402657565538
2014	28.156958764553657
2015	27.35324379234764
2016	24.941862453315057
2017	25.498786602114343
2018	22.69419991685869
2019	22.66048876504519
2020	20.99346848429969
2021	22.2962678369402
2022	24.526642332451708
2023	22.86575044506356