Year	Z-score
1996-01-01	3.92501000000000000
1997-01-01	3.85342000000000000
1998-01-01	3.53268000000000050
1999-01-01	6.22601000000000000
2000-01-01	7.48462000000000000
2001-01-01	7.53353999999999950
2002-01-01	6.60019000000000000
2003-01-01	7.38369000000000000
2004-01-01	7.48143000000000050
2005-01-01	7.54733999999999900
2006-01-01	7.62441000000000100
2007-01-01	10.40650000000000000
2008-01-01	10.47370000000000000
2009-01-01	9.50652000000000000
2010-01-01	7.61752000000000000
2011-01-01	7.15471000000000100
2012-01-01	2.87224000000000000
2013-01-01	4.33256000000000000
2014-01-01	4.71076000000000000
2015-01-01	3.70454000000000000
2016-01-01	-0.45192299999999996