Year	Percent
2000-01-01	45.525
2001-01-01	45.625
2002-01-01	45.300
2003-01-01	45.250
2004-01-01	44.975
2005-01-01	44.600
2006-01-01	44.100
2007-01-01	44.325
2008-01-01	44.025
2009-01-01	43.825
2010-01-01	43.925
2011-01-01	43.800
2012-01-01	43.600
2013-01-01	43.225
2014-01-01	42.950
2015-01-01	42.825
2016-01-01	42.525
2017-01-01	42.250