Year	% of GDP
1971	50.165958824781775
1972	58.50559238920287
1973	47.115731780369124
1974	74.59123163858898
1975	60.52027097614761
1976	58.888643000658746
1977	48.0473843380046
1978	35.339775111655676
1979	42.94697465292629
1980	53.31021658742577
1981	48.62593041890018
1982	36.229522240475475
1983	27.936170259181537
1984	23.26164364987222
1985	17.0133098937495
1986	13.622862656713892
1987	13.357737332946956
1988	16.64866064179871
1989	13.736613781804433
1990	18.15290392145735
1991	11.737248978141105
1992	19.560588813529804
1993	16.48780028047489
1994	15.929397441215807
1995	20.229866373582727
1996	23.67748114663467
1997	24.477513914497546
1998	17.766547724597025
1999	26.113426082425455
2000	30.040482297964928
2001	26.78243516442778
2002	28.473099285254182
2003	33.870482244071574
2004	41.659649813508004
2005	48.68564684738266
2006	49.610678813502886
2007	50.388745446009494
2008	54.179995105779795
2009	38.31814808991516
2010	45.01454126335272
2011	51.92502768603835
2012	50.455977256134844
2013	45.86708947177777
2014	39.9038788989179
2015	26.36066707666717
2016	27.261407287287287
2017	30.425358354188187
2018	34.679259472879075
2019	32.88496354724167
2020	24.21224372393313
2021	30.277663173689735
2022	40.09536157370607
2023	32.46664585694571