Year	% of GDP
1990	2.1098592160211416
1991	1.980404150797525
1992	1.810979176148871
1993	1.6570219071001095
1994	1.5205997036376344
1995	1.3987772225664794
1996	1.219807162807972
1997	1.2451895380214906
1998	1.171934724697075
1999	1.0923510002341252
2000	1.0538895108627022
2001	0.9209241135723224
2002	0.9336581418929882
2003	0.8369918860744353
2004	0.9349995803018035
2005	0.8186193325786224
2006	0.7532981125502589
2007	0.7731625829206306
2008	0.7835339386418092
2009	0.7225075766815071
2010	0.6629405745143612
2011	0.6766998300169669
2012	0.6345869636651856
2013	0.6625337135565177
2014	0.7088776668896463
2015	0.6264462605089303
2016	0.6580104716670019
2017	0.6313335103340413
2018	0.643750702339479
2019	0.6477455268959839
2020	0.7054776333217292
2021	0.625932432983477
2022	0.6145749426449728
2023	0.6292024195662904