Year	% of GDP
2003	2.99693584
2004	3.90128636
2005	3.01704645
2006	2.49370432
2007	3.2148056
2008	3.06604242
2009	3.77203989
2010	3.23955345
2011	2.80316377
2012	2.69365859
2013	2.80868459
2014	2.78786659
2015	3.15587044
2016	4.58949184
2017	4.04064989
2018	4.12989378
2019	4.25509405
2020	6.17485046
2021	5.24727583