Year	% of GDP
1960	35.977657741494
1961	37.38673046263889
1962	39.91698103438027
1963	42.86225160209125
1964	44.15261863679707
1965	45.941976969628676
1966	45.88064812017777
1967	46.7703145402023
1968	47.401077724146504
1969	47.93253600013528
1970	51.15581314655063
1971	53.392725822928654
1972	58.63435525415565
1973	61.756708631755316
1974	60.08503148689351
1975	58.5084746878068
1976	58.708260467275146
1977	60.59979801186314
1978	63.67464478633705
1981	61.35605144557326
1982	61.82984851310234
1983	63.960092492791226
1984	66.04414778565094
1985	68.14753271648412
1986	77.46396488933877
1987	83.74077756129373
1988	88.87897127753195
1989	89.77052776575407
1993	89.71486437022904
1994	91.07989816007053
1995	92.13875995678279
1996	88.29125126826622
1997	88.82822740404244
1998	88.25732743127446
1999	90.04227035367369
2000	90.72842743690367
2001	78.06471074208153
2002	77.45378997972472
2003	78.81383768500478
2004	80.52136058549085
2005	83.281273856463
2006	86.44130856757647
2007	90.29236357651135
2008	92.63822193777737
2009	91.06602840461015
2010	88.36973416830833
2011	86.3956717048575
2012	84.48738062494631
2013	83.41399141638792
2014	82.41496021428912
2015	81.59031403124236
2016	82.01634871618532
2017	80.26712373605814
2018	80.30093316944864
2019	80.34596688168403
2020	85.94229378146501
2021	81.85986771034412
2022	79.58242308800438
2023	75.82274144431838