Year	% of GDP
2003	-1.3599158747468454
2005	0.7947640637517986
2006	-0.7010508310792563
2007	3.443825938795787
2008	2.4459834485162273
2009	2.740517616869096
2010	1.6021772645608316
2011	3.2949941376048333
2012	2.4522112309730817
2013	3.4194753683146737
2014	-1.9895382347186272
2015	5.162099918131754
2016	2.980911874007282