Year	Z-score
1996-01-01	38.1029000000000000
1997-01-01	7.1722000000000000
1998-01-01	6.6988199999999996
1999-01-01	3.8017500000000000
2000-01-01	6.5870200000000000
2001-01-01	6.1283500000000000
2002-01-01	6.1283500000000000
2003-01-01	9.0241000000000000
2004-01-01	10.5684000000000000
2005-01-01	7.8714100000000010
2006-01-01	8.8201000000000000
2007-01-01	6.5710500000000000
2008-01-01	3.2027600000000000
2009-01-01	3.3040800000000004
2010-01-01	4.1529400000000000
2011-01-01	5.1265300000000010
2012-01-01	6.0045300000000000
2013-01-01	6.2576100000000000
2014-01-01	4.6692700000000000
2015-01-01	6.6280399999999995
2016-01-01	7.1549900000000000