Year	% of GDP
2000	3.723750099525148
2001	3.720807744072003
2002	3.3660856910582457
2003	4.619193609778899
2004	4.426386264208434
2005	4.231252960951154
2006	4.105236421897039
2007	3.857491509527261
2008	3.6781611419912434
2009	3.765718195589425
2010	3.4985015128738026
2011	3.5233835739063055
2012	3.489340457267254
2013	3.6031679178536167
2014	3.5838354652240856
2015	3.80646751052921
2016	3.796931467703933
2017	3.8173546662277302
2018	3.4303377517492284
2019	3.417184441343588
2020	3.840715340956189
2021	4.140713496736628