Year	Percent
2003-01-01	28.000
2004-01-01	26.000
2005-01-01	28.400
2006-01-01	25.400
2007-01-01	26.500
2008-01-01	26.950
2009-01-01	29.125
2010-01-01	22.100
2011-01-01	22.850
2012-01-01	23.350
2013-01-01	24.275
2014-01-01	21.875
2015-01-01	29.350
2016-01-01	24.375
2017-01-01	27.000