Year	% of GDP
1998	5.889326551684577
1999	5.922281966212867
2000	3.923904688700999
2001	2.0468297816364114
2002	3.01330008312552
2003	3.1940545004128817
2004	3.6725933129184334
2005	2.2683992545860523
2006	2.865030354182316
2007	2.0921902027352357
2008	2.0279076747063933
2009	1.5952338117197553
2010	1.7940376742458317
2011	1.916775661672435
2012	1.7654498643978993
2013	1.8755158869487074
2014	2.235453006797813
2015	1.7595065617078434
2016	1.746656380205296