Year	Percent
1996-01-01	100.000000000000000
1997-01-01	92.218500000000000
1998-01-01	96.632100000000000
1999-01-01	97.478300000000000
2000-01-01	54.427900000000000
2001-01-01	46.756400000000000
2002-01-01	49.537800000000000
2003-01-01	50.894800000000000
2004-01-01	48.529400000000000
2005-01-01	49.748999999999995
2006-01-01	52.260100000000000
2007-01-01	51.998500000000000
2008-01-01	53.006400000000000
2009-01-01	54.306100000000000
2010-01-01	54.530800000000000
2011-01-01	56.143300000000000
2012-01-01	52.088100000000000
2013-01-01	52.634600000000000
2014-01-01	53.482600000000000
2015-01-01	54.082000000000000
2016-01-01	58.613300000000000