Year	% of GDP
1980	13.496945253101305
1981	12.674663681222118
1982	11.903536796134254
1983	11.570217596471027
1984	11.626396392719055
1985	10.816264107145965
1986	11.548747689204893
1987	11.87388694541923
1988	12.364702339040383
1989	12.58075050453712
1990	12.926148593382358
1991	13.003918338446876
1992	12.702986585304329
1993	12.751756934433592
1994	12.861406234016062
1995	12.98300917402515
1996	12.78560524150087
1997	12.780478770618583
1998	12.206018318479854
1999	11.68563218059144
2000	12.044642964904389
2001	11.853372366056089
2002	11.506846953377137
2003	11.56342370292142
2004	11.230478538437486
2005	10.581486968315204
2006	10.479446631814227
2007	10.242353478710744
2008	11.000989838162214
2009	10.290859237516974
2010	10.880054323286723
2011	11.345644024929145
2012	11.206496224480583
2013	10.883452651730602
2014	10.772221024540778
2015	10.517655588578783
2016	10.215668261329766
2017	10.428540411675307
2018	10.29114792871728
2019	9.999623167832132
2020	10.422410803884715
2021	10.88799068636092
2022	11.232660682294226
2023	10.091696571480016