Year	% of GDP
1960	41.741335123558656
1961	41.09248219834258
1962	39.06596879624427
1963	39.82535167731953
1964	41.34371671121381
1965	39.38469725512057
1966	40.351651237001455
1967	42.751558024953574
1968	42.08602737664706
1969	41.58492358392325
1970	40.28961346219066
1971	38.633391191380724
1972	38.62682630199746
1973	41.603824620110544
1974	38.878058703410915
1975	35.9969148409303
1976	34.31203671177791
1977	35.77714426432627
1978	34.27396271099551
1979	32.82553002007278
1980	34.40886780623454
1981	33.29769741880793
1982	32.32674968650563
1983	32.60653487756216
1984	31.38053041178529
1985	29.71813835649928
1986	28.641146269727635
1987	27.97237840117454
1988	28.769822369360764
1989	27.839605799688755
1990	27.584888136541082
1991	27.662705410224724
1992	26.896919447794946
1993	27.054558767125492
1994	26.519937575032042
1995	24.457547789855195
1996	25.199306058679028
1997	24.248674505748017
1998	24.18045154908501
1999	22.972561886502476
2000	21.611062046512103
2001	21.61888488614377
2002	19.534543270954575
2003	19.591997978425116
2004	17.81469064879936
2005	17.62020695488388
2006	16.80944209443814
2007	16.750119759756934
2008	16.79094235980367
2009	16.744270156316084
2010	17.02650901369119
2011	17.191973558009437
2012	16.845377066130606
2013	17.148423543370793
2014	16.791934514497704
2015	16.174508106844293
2016	16.363800561629454
2017	16.558331404935977
2018	16.031630686452516
2019	16.755568303279865
2020	18.6685376603755
2021	17.37256152603107
2022	16.639431040971004
2023	15.966007704802648