Year	Percent
2000-01-01	2.750
2001-01-01	2.100
2002-01-01	2.350
2003-01-01	2.025
2004-01-01	1.925
2005-01-01	1.875
2006-01-01	2.350
2007-01-01	2.175
2008-01-01	2.350
2009-01-01	2.875
2010-01-01	3.150
2011-01-01	3.400
2012-01-01	3.675
2013-01-01	4.075
2014-01-01	3.550
2015-01-01	3.025
2016-01-01	3.100
2017-01-01	3.000