Year	Percent
1996-01-01	1.4218
1997-01-01	1.4218
1998-01-01	1.4218
1999-01-01	1.6926
2000-01-01	1.4218
2001-01-01	1.4218
2002-01-01	1.4218
2003-01-01	1.4218
2004-01-01	1.4218
2005-01-01	66.7874
2006-01-01	68.2852
2007-01-01	45.9594
2008-01-01	17.4830
2009-01-01	33.7103
2010-01-01	27.4519
2011-01-01	27.9302
2012-01-01	46.4109
2013-01-01	43.4853
2014-01-01	40.8746
2015-01-01	52.4326
2016-01-01	55.0617