Year	Percent
2000-01-01	34.000
2001-01-01	34.900
2002-01-01	35.375
2003-01-01	37.225
2004-01-01	34.350
2005-01-01	34.500
2006-01-01	36.775
2007-01-01	38.225
2008-01-01	38.875
2009-01-01	29.975
2010-01-01	26.500
2011-01-01	33.075
2012-01-01	34.125
2013-01-01	34.000
2014-01-01	33.400
2015-01-01	39.350
2016-01-01	38.825
2017-01-01	42.825