Year	% of GDP
1970	42.98926741473986
1971	42.63530726256983
1972	41.56943162782496
1973	47.43042216963127
1974	58.720499415987206
1975	52.74008364295257
1976	57.400792584009274
1977	58.910653378951835
1978	54.965848952118876
1979	54.64164395324492
1980	51.29234009469471
1981	49.373763680621366
1982	49.5961959065716
1983	50.79554366704747
1984	55.38891181913036
1985	54.9316639169471
1986	50.51014303784203
1987	49.87741646836928
1988	47.34374236569984
1989	48.65997189821222
1990	48.2329411879358
1991	45.29980693431446
1992	46.28974604638707
1993	49.73079334891358
1994	51.86795702070328
1995	50.995779748663196
1996	52.24380846885636
1997	50.97340584536477
1998	49.3364553465645
1999	49.631439504317285
2000	52.521730598717966
2001	52.82161350975234
2002	51.37963420703871
2003	50.23952305190832
2004	50.451711240499094
2005	52.680716840548236
2006	56.914427480812314
2007	52.96435343708586
2008	56.69860692771085
2009	55.004384033595
2010	59.27277497228876
2011	63.56540097077451
2012	62.22598273341834
2013	61.99911191499085
2014	59.09480411959319
2015	57.2035496863734
2016	59.70039841437605
2017	63.1216500310687
2018	64.54264825043302
2019	64.66513363722352
2020	58.77455937590291
2021	59.348647748173335
2022	69.52766202138005
2023	65.58738397714188