Year	Z-score
1996-01-01	6.6945300000000000
1997-01-01	6.9726700000000000
1998-01-01	3.2938600000000000
1999-01-01	7.3113899999999990
2000-01-01	9.6948100000000000
2001-01-01	7.9691800000000010
2002-01-01	8.8146600000000000
2003-01-01	6.0949700000000000
2004-01-01	5.6847800000000000
2005-01-01	5.6525000000000000
2006-01-01	8.1028300000000000
2007-01-01	9.2447400000000000
2008-01-01	8.4282100000000000
2009-01-01	7.4792900000000000
2010-01-01	7.5223100000000010
2011-01-01	1.9988700000000001
2012-01-01	3.9461100000000000
2013-01-01	6.3904900000000000
2014-01-01	8.7839999999999990
2015-01-01	10.1014000000000000
2016-01-01	11.8916000000000000