Year	% of GDP
2006	13.345971082332571
2007	14.468476151960713
2008	13.185864892860296
2009	18.728173193634255
2010	19.059838387927694
2011	15.456770115133478
2012	18.421127454406893
2013	7.449549703376802
2014	5.822877248146713
2015	3.00749670960641
2016	3.134522051416554
2017	1.8828881016037309
2018	2.3675513826089336
2019	4.990800302356237
2021	3.5294104494674134
2022	3.812842946514901
2023	4.730359394777655