Year	% of GDP
1975	30.214005747722783
1976	25.882001564188904
1977	23.344362061011665
1978	23.743337448535637
1979	22.500793647279025
1980	24.51006136258297
1981	25.72945141265671
1982	26.752854200754868
1983	30.542798677383814
1984	26.656197050926718
1985	27.200106405398255
1986	25.269536324875446
1987	27.373329612853535
1988	27.702790045448538
1989	27.475296500506936
1990	50.40163664562963
1991	51.94794820414388
1992	50.69858637992033
1993	50.18478706885825
1994	50.97395481688244
1995	46.705363956354674
1996	48.68749225234754
1997	51.03295343216671
1998	54.5445714977583
1999	53.63586112505568
2000	54.30604692763746
2001	55.66888254982113
2002	58.11269580606005
2003	63.57929872521335
2004	61.122230979334866
2005	63.21763985168857
2006	62.30301359299111
2007	60.97039876881226
2008	62.36938825912489
2009	39.0254757933298
2010	38.971535410051025
2011	40.096535036754574
2012	41.24619935439037
2013	42.33122801524981
2014	48.839433548369456
2015	39.23444032159111
2016	35.96072455944667
2017	34.81457817824169
2018	38.63410056564919
2019	36.79638717246378
2020	42.09284956294247
2021	40.030159305156566
2022	36.801785649998195