Year	% of GDP
1961	35.81046500744898
1962	35.51131986922325
1963	35.3317795610907
1964	37.00155752008334
1965	36.89455209830788
1966	38.305293690016505
1967	39.1242195642224
1968	40.72738495686296
1969	41.885899489111736
1970	41.49227651809091
1971	40.68695859297649
1972	41.849086446302074
1973	44.28828225026545
1974	48.084501970308985
1975	45.855654524918045
1976	44.26534427956849
1977	45.758378833860164
1978	48.844517999706014
1979	52.23804738287474
1980	53.317975724381114
1981	52.10257412625761
1982	46.615882796942664
1983	46.708883593312386
1984	52.4766984280909
1985	52.84194653488712
1986	53.06515010538708
1987	50.86639179852909
1988	51.36578113684291
1989	50.06663400731708
1990	49.99446442204972
1991	49.22346684754187
1992	52.738030944997185
1993	58.25079614530472
1994	64.39154414550009
1995	69.06174807995468
1996	70.26007345603918
1997	74.33661008165224
1998	78.08118536286108
1999	80.11502931292954
2000	82.76535785032137
2001	78.34421839436978
2002	75.70703207792327
2003	69.84009461706073
2004	70.19241999095621
2005	69.75913301673569
2006	68.0521644769988
2007	66.28341974823473
2008	67.02360836189833
2009	58.47439182248968
2010	60.20812150444825
2011	62.49873877083283
2012	62.59554893950049
2013	62.23107490134046
2014	64.3786621564923
2015	66.16490206697809
2016	65.36368452155557
2017	65.10106085046489
2018	66.59988585087616
2019	66.17148528049593
2020	61.156770963276266
2021	62.42416441310178
2022	67.55889636649486
2023	67.46323885742768