Year	% of GDP
2004	-1.6519549904362083
2005	1.7714152104313157
2006	0.37389272454662287
2007	-2.5307137029827285
2008	-1.4241065486383195
2009	0.24209023933721135
2010	3.30897047617891
2011	-2.134137789573967
2012	0.014562921287608645
2013	-0.5571407602562957
2014	4.69953837439839
2015	-2.6946921507016124