Year	Percent
1996-01-01	19.4456000000000000
1997-01-01	21.1162000000000000
1998-01-01	16.1519000000000000
1999-01-01	12.6578000000000000
2000-01-01	13.5459000000000000
2001-01-01	1.3748200000000002
2002-01-01	1.3748200000000002
2003-01-01	13.4692000000000000
2004-01-01	7.9949300000000000
2005-01-01	10.6038000000000000
2006-01-01	11.8002000000000000
2007-01-01	9.9980800000000000
2008-01-01	-0.5913030000000000
2009-01-01	2.3420400000000003
2010-01-01	-4.5959400000000010
2011-01-01	-4.3912900000000010
2012-01-01	5.8310900000000006
2013-01-01	-5.1624200000000000
2014-01-01	3.1715900000000000
2015-01-01	7.3629300000000000
2016-01-01	15.4322000000000000