Year	Percent
2004-01-01	3.14855
2005-01-01	3.01897
2006-01-01	2.90445
2007-01-01	3.12492
2008-01-01	3.12492
2009-01-01	3.12492
2010-01-01	3.12492
2011-01-01	3.28904
2012-01-01	3.27034