Year	% of GDP
1970	44.313855321966564
1971	46.23540258143823
1972	43.82775119617225
1973	41.540044317822094
1974	40.02284300195117
1975	44.76703104867201
1976	45.73691623831562
1977	45.25479630231802
1978	46.71684263716391
1979	48.032368916971514
1980	44.73820842266358
1981	44.530660347235056
1982	44.9219930977479
1983	42.4718378093675
1984	43.202206626221106
1985	43.423723747791016
1986	44.29850608584827
1987	46.72855516494152
1988	46.12102293220799
1989	46.42444103509103
1990	46.11378288992899
1991	46.609194022601244
1992	47.519493725948834
1993	48.935847022793396
1994	48.32160764373812
1995	46.73082343176584
1996	47.510391897871926
1997	49.22034700327691
1998	51.71716940151907
1999	54.220117375269595
2000	52.16181965738227
2001	52.65377659930402
2002	52.299552055275925
2003	51.28805476509809
2004	49.28496949228665
2005	46.820196943393775
2006	43.13178498797126
2007	42.50957194278245
2008	40.496023654550996
2009	43.50852617720366
2010	43.55243055100234
2011	41.01319172521599
2012	40.44349193863563
2013	40.21178175405237
2014	41.46535065784593
2015	45.97640028473995
2016	49.80233244778131
2017	48.7378533993764
2018	49.09409568802161
2019	50.71991512251065
2020	52.80726174751624
2021	50.57558389353973
2022	49.6031928895406
2023	51.31304715874817