Year	%
2007	2.56917
2008	2.56917
2009	2.470356
2010	2.470356
2011	2.699841
2012	2.739726
2013	3.996487
2014	0
2015	2.796902
2016	3.932584
2017	0.2271867
2018	0.2302379
2019	0.2199413
2020	0.2908033
2021	0.2908033