Year	% of GDP
2001	1.054815249152185
2002	1.5262308028587552
2003	1.5707817778076443
2004	1.4620372088449682
2005	1.5899163653400552
2006	1.5638356410801215
2007	1.2802312640452223
2008	1.8753604286619137
2009	1.647973007139788
2010	1.6734490402536724
2011	1.480253986228798
2012	1.5429446154726596
2013	1.6459301297627553