Year	% of GDP
1976	7.9768019010751035
1977	8.187695603622005
1978	8.335177297117886
1979	8.707482717512809
1980	9.458088604213778
1981	10.837399380746755
1982	9.011682814382569
1983	8.634629253138462
1984	8.398579693678775
1985	8.366643206502433
1986	8.490660724656559
1987	9.227336197144979
1988	9.517280850156405
1989	9.148777988403785
1990	9.765955006063383
1991	9.906267635341157
1992	10.667270291679525
1993	10.784947587131157
1994	11.13790677416319
1995	10.208333438548117
1996	9.3143081146384
1997	9.73542444510145
1999	18.177154042318612
2000	23.498896032268483
2001	22.887235302755116
2002	19.49240970688898
2003	17.668950268295184
2004	19.66448319355961
2005	19.748710979390765
2006	19.25783834431763
2007	20.0306686614944
2008	21.372676465298003
2009	17.607936892057914
2010	19.530630706182684
2011	21.143179362979538
2012	21.229920532803707
2013	22.40586996700452
2014	24.736623951404024
2015	26.486914941119238
2016	24.854995046893794
2017	28.05734353205807
2018	30.521943234612
2019	32.24669293939501
2020	23.11802563099997
2021	31.3762998828008
2022	36.551233649100254
2023	34.67905045557533