Year	Percent
2005-01-01	1.7169000000000000
2006-01-01	1.6607299999999998
2007-01-01	1.6607299999999998
2008-01-01	1.6607299999999998
2009-01-01	1.2697399999999999
2010-01-01	1.5186000000000000
2011-01-01	1.4186299999999998
2012-01-01	1.5790300000000000
2013-01-01	1.5860800000000000
2014-01-01	1.4959500000000000