Year	Z-score
1996-01-01	3.45829000000000030
1997-01-01	3.39026000000000000
1998-01-01	3.19534000000000030
1999-01-01	2.89511000000000000
2000-01-01	2.99506000000000000
2001-01-01	2.79636000000000000
2002-01-01	2.75526000000000000
2003-01-01	2.97758000000000000
2004-01-01	2.93809000000000030
2005-01-01	2.64169000000000000
2006-01-01	2.60210000000000000
2007-01-01	2.61151000000000000
2008-01-01	2.57505000000000000
2009-01-01	2.40944000000000000
2010-01-01	2.27149000000000000
2011-01-01	2.01942000000000000
2012-01-01	1.79683000000000000
2013-01-01	-0.24116500000000002
2014-01-01	3.34575000000000000
2015-01-01	3.78570000000000000
2016-01-01	4.06169000000000050