Year	Percent
1996-01-01	6.3294900000000000
1997-01-01	4.3693200000000000
1998-01-01	2.3579700000000000
1999-01-01	3.5455200000000000
2000-01-01	-1.9017099999999998
2001-01-01	3.9371400000000003
2002-01-01	5.9612300000000005
2003-01-01	10.7875000000000000
2004-01-01	11.7253000000000000
2005-01-01	8.0404800000000000
2006-01-01	9.1559800000000000
2007-01-01	7.9519000000000000
2008-01-01	8.7646400000000000
2009-01-01	6.4062600000000000
2010-01-01	17.1616000000000000
2011-01-01	25.0674000000000000
2012-01-01	15.3512000000000000
2013-01-01	14.1730000000000000
2014-01-01	13.9357000000000000
2015-01-01	13.0150000000000000
2016-01-01	13.5331000000000000