Year	% of GDP
2002	4.279334455627199
2003	2.0554566588120005
2004	4.015036639210474
2005	4.530765919085708
2006	4.729156069420234
2007	8.796055529931303
2008	1.8690601889125902
2009	6.0394799331257785
2010	4.388445024162692
2011	2.0582583095815403
2012	4.057721859919041
2013	2.531288914180379
2014	2.7297322588074184
2015	1.0480642583410402
2016	4.502228300581069
2017	5.786555350943385
2018	3.7405438574076313
2019	2.6188083502012174
2020	5.158047443016612
2021	8.316553824946789
2022	7.444058524118614