Year	% of GDP
1991	5.10321998596191
1992	5.132065057754515
1993	4.95048999786377
1994	4.6672749519348145
1995	4.69021487236023
1996	4.75392007827759
1998	4.54056978225708
1999	4.57943487167358
2000	4.86840009689331
2001	5.0797348022460955
2002	5.17923021316528
2003	5.085664987564085
2004	4.9615650177002
2005	5.10939979553223
2006	5.00697135925293
2007	4.71541023254395
2008	5.02904987335205
2009	5.52265977859497
2010	5.29786014556885
2011	5.07161998748779
2012	4.94940996170044
2013	5.021240234375
2014	4.9665699005127
2015	4.90953016281128
2016	4.79266977310181
2017	4.64757013320923
2018	4.62343978881836
2019	4.63002014160156
2020	4.87656021118164
2021	5.01000022888184