Year	Z-score
1996-01-01	11.2229000000000000
1997-01-01	8.3210800000000000
1998-01-01	8.2025000000000000
1999-01-01	9.5222300000000000
2000-01-01	12.4255000000000000
2001-01-01	10.9349000000000000
2002-01-01	11.0494000000000000
2003-01-01	9.4092100000000000
2004-01-01	11.3202000000000000
2005-01-01	11.3962000000000000
2006-01-01	9.5590000000000000
2007-01-01	7.8752400000000000
2008-01-01	5.2922400000000005
2009-01-01	10.3767000000000000
2010-01-01	11.6336000000000000
2011-01-01	12.6034000000000000
2012-01-01	11.5706000000000000
2013-01-01	15.4669000000000000
2014-01-01	14.8152000000000000
2015-01-01	16.8623000000000000
2016-01-01	16.9717000000000000