Year	% of GDP
1960	80.34962674894867
1961	80.91268174061995
1962	82.65237264575653
1963	82.1783941318051
1964	82.20528459998164
1965	79.56323563125444
1966	79.04121540810984
1967	77.41633547471459
1968	73.43508998660191
1969	73.0880047038001
1970	68.21924987135112
1971	69.5779141841583
1972	66.95736009704244
1973	69.85707145038695
1974	64.15050658265476
1975	67.0288278129479
1976	70.216320104308
1977	69.55645129692535
1978	72.24467749597298
1979	71.30887098876241
1980	73.93595895156943
1981	72.47483544663125
1982	75.09694217388305
1983	78.68262868724845
1984	78.65272626113902
1985	77.54342894480185
1986	79.73937022835847
1987	76.40090176678727
1988	79.14613061011084
1989	79.7189629661994
1990	79.74752923061871
1991	80.38379877518457
1992	80.81106868601641
1993	83.21629543089686
1994	81.93477284863124
1995	79.83045441693942
1996	80.64307628799634
1997	78.57085597241829
1998	78.80074706406073
1999	77.00003946224211
2000	78.69243265924757
2001	77.34503709566697
2002	78.6189790822721
2003	78.42059572884776
2004	79.14314402748461
2005	78.26841567775408
2006	80.3453620723574
2007	79.95680796447773
2008	82.05426190848841
2009	79.5544142509791
2010	78.24560691758616
2011	79.13872290774732
2012	77.8280022806131
2013	77.26121594303773
2014	74.27052720710373
2015	72.62336265838142
2016	71.59349897849903
2017	70.39556764237197
2018	69.4590847883465
2019	68.29667389818415
2020	68.73256125251604
2021	66.5813037694025
2022	65.81875999177615
2023	55.92918532526805