Year	Z-score
1996-01-01	-0.448400000000000
1997-01-01	4.921360000000000
1998-01-01	4.921360000000000
1999-01-01	4.921360000000000
2000-01-01	4.921360000000000
2001-01-01	4.921360000000000
2002-01-01	5.714500000000000
2003-01-01	12.991200000000000
2004-01-01	10.089500000000000
2005-01-01	7.255539999999999
2006-01-01	5.390380000000000
2007-01-01	3.814610000000000
2008-01-01	3.782720000000000
2009-01-01	5.435100000000000
2010-01-01	2.938370000000000
2011-01-01	5.248570000000000
2012-01-01	4.581230000000001
2013-01-01	6.627000000000001
2014-01-01	7.427810000000001
2015-01-01	6.335710000000000
2016-01-01	6.403200000000000