Year	Percent
1996-01-01	7.84277
1997-01-01	2.97289
1998-01-01	-0.40665
1999-01-01	6.36011
2000-01-01	10.48870
2001-01-01	6.21073
2002-01-01	27.01230
2003-01-01	12.37480
2004-01-01	20.18520
2005-01-01	11.00330
2006-01-01	13.85150
2007-01-01	12.31150
2008-01-01	12.91560
2009-01-01	9.87175
2010-01-01	11.29940
2011-01-01	9.63855
2012-01-01	11.79210
2013-01-01	10.54190
2014-01-01	10.15010
2015-01-01	9.68706
2016-01-01	8.83102