Year	% of GDP
1998	1.699139272202264
1999	6.43398804532036
2000	4.394953306296261
2001	6.134232108347624
2002	7.892424871988907
2003	10.78706112775976
2004	9.948118908443448
2005	11.882319656772552
2006	12.687719530189264
2007	13.022225022522848
2008	14.990989161818154
2009	9.883590423481223
2010	7.003273063495602
2011	5.55641787886819
2012	1.579162534471985
2013	1.5200321052864842
2014	1.3920109873482178
2015	3.317562788239816
2016	3.9544093758432832
2017	4.577291822188766
2018	3.7360356584239813
2019	5.853653549966824
2020	6.994121894851115
2021	11.833056837494341
2022	10.182737149292326
2023	9.2567366258831