Year	Percent
1996-01-01	36.710400000000000
1997-01-01	17.634200000000000
1998-01-01	28.750400000000000
1999-01-01	25.524400000000000
2000-01-01	2.273700000000000
2001-01-01	16.294100000000000
2002-01-01	32.026400000000000
2003-01-01	22.893900000000000
2004-01-01	19.054000000000002
2005-01-01	9.339990000000000
2006-01-01	9.047210000000000
2007-01-01	10.005300000000000
2008-01-01	-18.071900000000000
2009-01-01	1.786200000000000
2010-01-01	10.483100000000000
2011-01-01	25.070200000000000
2012-01-01	27.168100000000000
2013-01-01	28.006300000000000
2014-01-01	22.333500000000000
2015-01-01	21.359000000000000
2016-01-01	20.075300000000000