Year	% of GDP
2000	5.985504368546465
2001	5.04402489626556
2002	4.808395061728396
2003	6.481845461365341
2004	5.345006111111111
2005	7.6357960861056755
2006	7.311844448082323
2007	5.995349194739161
2008	4.461549962724189
2009	5.28911410839431
2010	3.4366161391551153
2011	6.324994781089122
2012	5.480615087273705
2013	6.153095324142239
2014	4.615055814347421