Year	Percent
1996-01-01	-8.0549400000000000
1997-01-01	6.4787600000000000
1998-01-01	3.7973800000000004
1999-01-01	8.0032500000000000
2000-01-01	12.8994000000000000
2001-01-01	8.3519200000000000
2002-01-01	16.8130000000000000
2003-01-01	16.3346000000000000
2004-01-01	16.2262000000000000
2005-01-01	14.9041000000000000
2006-01-01	13.5970000000000010
2007-01-01	11.4795000000000000
2008-01-01	9.8915399999999990
2009-01-01	6.5763200000000000
2010-01-01	6.4357100000000000
2011-01-01	6.8129600000000000
2012-01-01	5.1420100000000000
2013-01-01	1.2078400000000000
2014-01-01	3.1733000000000000
2015-01-01	-3.4601000000000000
2016-01-01	9.6529600000000000