Year	Z-score
1996-01-01	3.8406000000000000
1997-01-01	4.4396800000000000
1998-01-01	4.3074000000000000
1999-01-01	3.5330600000000000
2000-01-01	3.6726699999999997
2001-01-01	8.3514900000000000
2002-01-01	3.8635099999999998
2003-01-01	3.0353300000000000
2004-01-01	5.0276100000000000
2005-01-01	2.9786799999999998
2006-01-01	3.0315600000000000
2007-01-01	3.7506300000000000
2008-01-01	3.4856100000000000
2009-01-01	3.3409500000000000
2010-01-01	3.4845699999999997
2011-01-01	4.0155900000000000
2012-01-01	4.5817300000000000
2013-01-01	4.2726600000000000
2014-01-01	4.4268199999999990
2015-01-01	4.3213099999999995
2016-01-01	4.3293800000000005
