Year	% of GDP
1980	8.36909008026123
1991	7.14496994018555
1993	7.07476997375488
1994	5.61948013305664
1998	6.20873022079468
1999	6.75523996353149
2000	7.70481014251709
2001	8.3580904006958
2002	9.57116985321045
2003	9.9408597946167
2004	10.2682304382324
2005	10.5577802658081
2006	9.05716991424561
2007	11.8682098388672
2008	14.0590801239014
2009	13.1248598098755
2010	12.8373098373413
2012	11.5520000457764
2013	10.6719999313354
2014	9.60700035095215
2015	8.96300029754639
2016	9.01299953460693
2019	9.04699993133545
2021	9.38599967956543