Year	Percent
1998-01-01	48.1000
1999-01-01	45.1000
2000-01-01	45.1000
2001-01-01	37.0000
2002-01-01	46.6000
2003-01-01	54.8000
2004-01-01	54.6000
2005-01-01	57.7000
2006-01-01	59.1000
2007-01-01	78.2000
2008-01-01	77.7000
2009-01-01	78.8000
2010-01-01	105.3330
2011-01-01	100.1970
2012-01-01	92.7083
2013-01-01	93.6741
2014-01-01	91.4353
2015-01-01	79.1924
2016-01-01	82.8535
