Year	Percent
2005	0.44486
2006	0.60592
2007	0.81648
2008	0.52651
2009	1.07392
2010	0.61743
2011	0.34371
2012	0.49035
2013	0.56166
2014	0.70956
2015	1.1535
2016	0.93902
2017	0.9069