Year	% of GDP
1976	12.350747661331642
1977	10.932676638450776
1978	12.078159567257893
1979	12.519777243587013
1980	11.536783051203232
1981	11.290584703212806
1982	10.897893265190808
1983	10.89794914240966
1984	11.12493778134942
1985	13.542896865319854
1986	13.84265835830848
1987	15.11452949837013
1988	15.976591215022864
1989	16.99733313681968
1990	13.365912871839638
1991	12.0666090957746
1992	12.760040173325407
1993	11.860305034153924
1994	12.042113426656774
1995	10.893900359752582
1996	11.813655242764543
1997	13.929015626777025
1998	15.58842302566016
1999	16.718070412985522
2000	18.18339538901032
2001	18.00442866282898
2002	18.376224179132876
2003	19.291925631488834
2004	18.28179316527691
2005	17.640155123146005
2006	17.174305573350818
2007	16.91019442444193
2008	15.816686486657783
2009	12.931214685099324
2010	14.080779631503443
2011	13.916787757040108
2012	14.985284065782809
2013	16.42890744599513
2014	16.74621915750343
2015	17.04408736670164
2016	17.734500958632456
2017	17.539243219923623
2018	18.357669914445225
2019	19.794141947451113
2020	14.84502897556164
2021	18.597199821403574
2022	22.183421999519048
2023	22.800084425553376