Year	% of GDP
1970	15.838057630773871
1971	16.259454456182723
1972	16.21889978793393
1973	15.797410232373716
1974	16.138635782291338
1975	17.190496857273143
1976	16.912592161887247
1977	16.775382989022454
1978	16.750051523840355
1979	16.58452716499614
1980	16.80273563952151
1981	16.739484992412454
1982	17.21380882298889
1983	17.155963644052992
1984	16.695528060926897
1985	16.729256351631808
1986	17.00037778304557
1987	17.02772056484167
1988	16.650873727773067
1989	16.57363971853741
1990	16.808330474913713
1991	16.96135173413985
1992	17.054408945522315
1993	16.943174142086264
1994	16.62104885945837
1995	16.539128796654275
1996	16.344644315247283
1997	16.114168938046173
1998	16.11902455608806
1999	16.211446981930187
2000	16.002068553456102
2001	16.38422109849379
2002	16.78701192896339
2003	17.043889079994095
2004	16.894248731816386
2005	16.753920364010007
2006	16.603581651793352
2007	16.532128751172888
2008	16.898815572177632
2009	18.041423775734884
2010	17.52038042298201
2011	17.313860436688845
2012	17.14316035798081
2013	17.057591294871997
2014	16.901649684377684
2015	16.734025813516944
2016	16.718218807356326
2017	16.52514114490107
2018	16.519466958234098
2019	16.657742385616565
2020	17.805376286669556
2021	16.996435873787018
2022	16.48690478946748