Year	% of GDP
2000	3.3947808578235947
2001	2.9666771476548233
2002	2.824809610046579
2003	2.771202010183681
2004	2.3299275039394662
2005	2.058530451616516
2006	1.7210758126394339
2007	1.874181388582162
2008	1.587163590451934
2009	1.909778465072319
2010	1.25354585506615
2011	0.9989851666379432
2012	0.7017703094637914
2013	0.7270914485878464
2014	0.7419120881733982
2015	0.6914560489135627
2016	0.630247217304049