Year	% of GDP
1996	0.6234886378305613
1997	0.6173725226049102
1998	0.6273142530335393
1999	0.6507245302177284
2000	0.6306409650533729
2001	0.6384852013338403
2002	0.6414977579965547
2003	0.719290018081665
2004	0.7406262772801196
2005	0.7601040126520989
2006	0.7863195354682437
2007	0.7823862062587599
2008	0.8264993696152753
2009	0.7815749402377447
2010	0.762064155681154
2011	0.707204738647544
2012	0.743990004062653
2013	0.6362334874413333
2014	0.6780355928041466
2015	0.6190257280342645
2016	0.6495434525620252
2017	0.5993647436392883
2018	0.6417518132204165
2019	0.6101456832049684
2020	0.6301542428147201