Year	Percent
2003-01-01	45.800
2004-01-01	45.000
2005-01-01	44.400
2006-01-01	45.000
2007-01-01	44.100
2008-01-01	43.975
2009-01-01	41.825
2010-01-01	42.300
2011-01-01	42.425
2012-01-01	41.250
2013-01-01	40.600
2014-01-01	39.900
2015-01-01	40.025
2016-01-01	41.100
2017-01-01	40.700