Year	Percent
1997-01-01	2.8892000000000000
1998-01-01	2.5334700000000000
1999-01-01	0.9820180000000001
2000-01-01	1.5605700000000000
2001-01-01	0.6610790000000000
2002-01-01	1.7787200000000000
2003-01-01	2.6541099999999997
2004-01-01	2.6832000000000000
2005-01-01	2.5948500000000000
2006-01-01	2.7424400000000000
2007-01-01	3.1595299999999997
2008-01-01	2.4032700000000000
2009-01-01	1.3258299999999998
2010-01-01	-0.7983220000000000
2011-01-01	0.7143320000000000
2012-01-01	1.2754100000000000
2013-01-01	1.5032100000000000
2014-01-01	1.3569900000000000
2015-01-01	-3.2376600000000000
2016-01-01	-8.8236400000000000