Year	Z-score
1996-01-01	10.3173000000000000
1997-01-01	12.7993000000000000
1998-01-01	7.8061399999999990
1999-01-01	14.4279999999999990
2000-01-01	14.7944000000000000
2001-01-01	12.7655000000000000
2002-01-01	11.9284000000000000
2003-01-01	10.1166000000000000
2004-01-01	9.0302400000000000
2005-01-01	8.5727200000000000
2006-01-01	8.2752699999999990
2007-01-01	7.8432100000000010
2008-01-01	7.9502500000000000
2009-01-01	6.1916000000000000
2010-01-01	7.3117600000000005
2011-01-01	7.4924899999999990
2012-01-01	6.8457399999999990
2013-01-01	6.8615600000000010
2014-01-01	6.3627699999999990
2015-01-01	5.5599000000000000
2016-01-01	5.8245900000000000