Year	Z-score
1996-01-01	3.4578100000000000
1997-01-01	3.6019200000000000
1998-01-01	4.8061000000000000
1999-01-01	3.3427599999999997
2000-01-01	1.8737200000000000
2001-01-01	4.5474700000000000
2002-01-01	4.5474700000000000
2003-01-01	4.5474700000000000
2004-01-01	10.5950000000000000
2005-01-01	8.0812900000000000
2006-01-01	5.6151900000000000
2007-01-01	7.1419800000000000
2008-01-01	6.8974300000000000
2009-01-01	6.9141000000000000
2010-01-01	7.4957800000000000
2011-01-01	8.1318100000000000
2012-01-01	7.8176900000000000
2013-01-01	6.9055000000000000
2014-01-01	7.9314000000000000
2015-01-01	7.0218200000000000
2016-01-01	7.1806100000000010