Year	Percent
1996-01-01	9.1377200000000000
1997-01-01	7.2915700000000000
1998-01-01	9.0354600000000000
1999-01-01	7.6079399999999990
2000-01-01	5.3970600000000000
2001-01-01	9.4322900000000000
2002-01-01	8.8299899999999990
2003-01-01	12.5726000000000000
2004-01-01	25.6434000000000000
2005-01-01	17.5914000000000000
2006-01-01	14.6749000000000000
2007-01-01	13.0006000000000000
2008-01-01	5.6299700000000000
2009-01-01	4.9580400000000004
2010-01-01	3.1920599999999997
2011-01-01	-4.9141600000000000
2012-01-01	-13.1983000000000000
2013-01-01	-23.7272000000000000
2014-01-01	-17.4909000000000000
2015-01-01	-4.4480699999999995
2016-01-01	-0.1994430000000000