Year	% of GDP
2000	105.610061020291
2001	98.2488140852919
2002	107.702983162417
2003	117.236779237335
2004	120.545128900241
2005	109.170965243999
2006	100.281856138225
2007	85.9695296795112
2008	70.5368840742091
2009	74.0832023834218
2010	20.6486097060245
2011	22.3179982138352
2012	21.6130377777958
2013	23.9748386473236
2014	23.0364267074668
2015	23.4216285157228
2016	26.1425354319326