Year	% of GDP
2004	8.314400604947812
2008	9.394041269307696
2009	9.110476263386118
2010	9.207420980684661
2011	8.625289336197541
2012	9.554073471883118
2014	4.581282071478059
2015	5.66316008874996
2016	7.300229998169236
2017	7.198194551485218
2018	8.817987764256356
2019	8.79208439882621
2020	9.51223596724716
2021	9.204779247888935