Year	% of GDP
2005	1.7783469456665164
2006	1.947968150758571
2007	2.45671457122629
2008	2.9111330714165202
2009	1.9984467780291444
2010	1.7075390582122862
2011	2.22604731723921
2012	3.069189613094409
2013	2.542036271022991
2014	2.531626538243583
2015	2.464562418732132
2016	1.938378658193159