Year	Z-score
1996-01-01	1.2526300000000000
1997-01-01	1.5746799999999999
1998-01-01	1.1811100000000000
1999-01-01	1.6046100000000000
2000-01-01	2.4875400000000000
2001-01-01	1.9790200000000000
2002-01-01	5.6820000000000000
2003-01-01	6.8306900000000000
2004-01-01	13.6791000000000000
2005-01-01	16.9177000000000000
2006-01-01	17.0868000000000000
2007-01-01	19.0352000000000000
2008-01-01	14.2254000000000000
2009-01-01	17.7670000000000000
2010-01-01	17.8051000000000000
2011-01-01	23.4219999999999970
2012-01-01	21.4572000000000000
2013-01-01	25.3350000000000000
2014-01-01	26.5697000000000000
2015-01-01	32.4163000000000000
2016-01-01	36.1673000000000000