Year	Percent
2000-01-01	0.975
2001-01-01	1.225
2002-01-01	1.250
2003-01-01	1.275
2004-01-01	1.300
2005-01-01	1.525
2006-01-01	1.100
2007-01-01	0.925
2008-01-01	1.025
2009-01-01	1.075
2010-01-01	1.375
2011-01-01	1.225
2012-01-01	1.250
2013-01-01	1.250
2014-01-01	1.275
2015-01-01	1.625
2016-01-01	1.950
2017-01-01	1.800