Year	Percent
1996-01-01	0.41007600000000000
1997-01-01	0.45514700000000000
1998-01-01	0.45879500000000000
1999-01-01	0.38154299999999997
2000-01-01	0.64373200000000000
2001-01-01	0.43953300000000000
2002-01-01	0.24859699999999998
2003-01-01	2.06495999999999970
2004-01-01	2.64893000000000000
2005-01-01	2.05200999999999970
2006-01-01	1.73437000000000000
2007-01-01	4.88875999999999960
2008-01-01	2.59635000000000000
2009-01-01	1.26235000000000000
2010-01-01	2.21271000000000000
2011-01-01	2.40268000000000000
2012-01-01	2.32825000000000000
2013-01-01	2.35969000000000000
2014-01-01	2.10003000000000000
2015-01-01	2.49885000000000000
2016-01-01	3.22003000000000000