Year	% of GDP
1960	35.60038633575036
1961	36.95801915973967
1962	39.53406857865483
1963	42.36337753083903
1964	43.56438028172214
1965	45.33206420937264
1966	45.28633503884268
1967	46.179159121124876
1968	46.82690461581685
1969	47.394935947751655
1970	50.64592790990764
1971	52.96637818397629
1972	58.051919180886365
1973	61.180335366423975
1974	60.22149859687369
1975	58.387325648722204
1976	58.89003299890715
1977	60.56124610134612
1978	63.32911964781398
1981	61.06960994348947
1982	61.516372623925136
1983	63.54162906387803
1984	65.37463235460673
1985	67.18556770197445
1986	76.84423048419235
1987	82.95160830553787
1988	87.83706480580548
1989	88.84220097836037
1990	86.9287175351628
1991	86.31502393726319
1992	86.25944518917285
1993	87.20745834843893
1994	88.8738415151355
1995	90.36677264690427
1996	86.26930082698082
1997	86.43277018253723
1998	85.08189776782193
1999	87.03827227668909
2000	87.59979255926251
2001	76.30141978492387
2002	75.83139761451794
2003	77.543433412337
2004	79.44807857050148
2005	82.38401229957478
2006	85.8878642169367
2007	89.79564255142945
2008	92.37206403800576
2009	90.1279230048684
2010	87.66546101192495
2011	86.40164544683303
2012	84.4748256454935
2013	83.09508637112133
2014	81.38445559262519
2015	79.82109235419252
2016	80.36585370362855
2017	78.83352836666045
2018	78.61599693796903
2019	78.43428541927156
2020	83.92579302712538
2021	80.39565139496551
2022	77.0898631416351
2023	72.9997495898324
