Year	Percent
1999-01-01	100.0000
2000-01-01	100.0000
2001-01-01	96.0128
2002-01-01	100.0000
2003-01-01	100.0000
2004-01-01	100.0000
2005-01-01	100.0000
2006-01-01	100.0000
2007-01-01	100.0000
2008-01-01	99.4539
2009-01-01	98.5498
2010-01-01	94.7631
2011-01-01	95.9060
2012-01-01	94.3739
2013-01-01	97.1258
2014-01-01	99.4609
2015-01-01	96.3735