Year	% of GDP
2006	4.8428568656625295
2007	6.8399822365672085
2008	9.388327720839786
2009	10.584130684229999
2010	11.575044239012204
2011	4.959180376060273
2012	4.1794485427630566
2013	4.108256237118638
2014	3.732720211620129
2015	3.789806755352968
2016	3.7758125766606523
2017	3.7103811075883875
2018	3.4421267708520538
2019	3.1735454944512993
2020	2.9942126059844454
