Year	% of GDP
1999	0.145737367256145
2000	3.0125372944505
2001	2.76733147045434
2002	1.27170188690522
2003	1.18098685039226
2004	1.58444040177031
2005	2.03658342182267
2006	1.9341195841165
2007	2.51366555903873
2008	10.4655157758868
2009	1.74485033555065
2010	-7.00461399152191
2011	2.29647550117155
2012	3.2532784555301
2013	-2.94888286056265
2014	-9.33588319223827
2015	-2.97679041824765
2016	-1.42481907077107
2017	-0.384679022211782