Year	% of GDP
2003	2.6682679903142
2004	1.9660359699935954
2005	1.4780130822714332
2012	1.7678808355797566
2013	2.4967623489815645
2014	1.0298039744158474
2015	5.101797000787236
2016	3.0991453834888416
2017	1.4307193016861095
2018	1.6452999158439994
2019	3.0127413410406794