Year	Percent
1998-01-01	69.4040
1999-01-01	69.4040
2000-01-01	69.4040
2001-01-01	69.4040
2002-01-01	99.5449
2003-01-01	99.5449
2004-01-01	61.0276
2005-01-01	25.0000
2006-01-01	40.0000
2007-01-01	70.1836
2008-01-01	78.6781
2009-01-01	55.4230
2010-01-01	48.8902
2011-01-01	70.9093
2012-01-01	69.0528
2013-01-01	57.6003
2014-01-01	66.1578
