Year	Percent
2005-01-01	38.750
2006-01-01	36.325
2007-01-01	34.200
2008-01-01	32.800
2009-01-01	30.750
2010-01-01	29.175
2011-01-01	28.200
2012-01-01	26.925
2013-01-01	25.525
2014-01-01	24.500
2015-01-01	24.750
2016-01-01	23.125
2017-01-01	22.125