Year	% of GDP
2000	5.46631575
2001	4.51950884
2002	4.99773645
2003	5.0505991
2004	5.21767759
2005	5.19516516
2006	5.45589256
2007	5.25303173
2008	5.02686644
2009	5.2122364
2010	4.67865133
2011	4.01483774
2012	3.7521615
2013	3.96750712
2014	4.48158312
2015	4.11143351
2016	3.77377558
2017	3.67425752
2018	3.73249912
2019	3.82943797
2020	3.47597885
2021	4.47341442