Year	Percent
1996-01-01	2.75147000000000000
1997-01-01	1.81729000000000000
1998-01-01	1.81729000000000000
1999-01-01	4.98444000000000000
2000-01-01	6.84260000000000000
2001-01-01	3.00440000000000000
2002-01-01	2.34307000000000000
2003-01-01	2.42236000000000000
2004-01-01	2.07440000000000000
2005-01-01	2.38045000000000000
2006-01-01	2.27234000000000020
2007-01-01	2.08395000000000000
2008-01-01	1.86899000000000020
2009-01-01	0.63731000000000000
2010-01-01	0.45800300000000000
2011-01-01	1.13940000000000000
2012-01-01	1.34315000000000000
2013-01-01	1.39427000000000010
2014-01-01	1.00329000000000000
2015-01-01	1.00329000000000000
2016-01-01	0.48841899999999994