Year	Z-score
1996-01-01	4.424830000000000
1997-01-01	4.155030000000000
1998-01-01	3.641200000000000
1999-01-01	3.843200000000000
2000-01-01	5.069030000000001
2001-01-01	3.723250000000000
2002-01-01	6.226170000000000
2003-01-01	10.757800000000000
2004-01-01	12.453500000000000
2005-01-01	12.343000000000000
2006-01-01	10.151400000000000
2007-01-01	10.840900000000000
2008-01-01	12.419600000000000
2009-01-01	9.398360000000000
2010-01-01	10.403600000000000
2011-01-01	10.707200000000000
2012-01-01	11.950500000000000
2013-01-01	10.823400000000000
2014-01-01	11.622900000000000
2015-01-01	12.158000000000000
2016-01-01	10.431400000000000