Year	% of GDP
1976	50.09087626878889
1977	48.157191699957096
1978	42.65042178001948
1979	42.10327330461911
1980	50.48730172841639
1981	44.13105634400303
1982	46.52917565093361
1983	46.02297969508108
1984	48.023324359641286
1985	52.815186477901634
1986	59.698746643138534
1987	63.7075053816052
1988	63.86486527897765
1989	63.35032510243316
1990	64.09392785160604
1991	61.47754755164514
1992	58.516720972604965
1993	57.46877261891685
1994	55.96918386669909
1995	57.87830692738763
1996	62.74081948983851
1997	60.64556604123318
1998	64.81111343900004
1999	62.9550301414524
2000	60.28256284847014
2001	67.08379484691993
2002	60.789867607867606
2003	55.263186321592364
2004	52.61472025578846
2005	58.24032134548015
2006	58.44393592677346
2007	55.86749787430792
2008	51.07052143505456
2009	47.677168592933825
2010	51.23767279198071
2011	52.444147383765774
2012	53.79216527304046
2013	52.57292447755895
2014	52.52465961119118
2015	51.49785240511622
2016	49.17407622536973
2017	48.155166105895816
2018	46.09626695090662
2019	44.6671405250455
2020	39.349795265486534
2021	44.20173472818902
2022	55.35439798037094
2023	53.25002531769876