Year	Percent
1996-01-01	2.23112000000000000
1997-01-01	2.70829000000000030
1998-01-01	2.02601000000000000
1999-01-01	1.68514000000000000
2000-01-01	1.42121000000000000
2001-01-01	0.21694899999999998
2002-01-01	1.53846000000000000
2003-01-01	0.15690400000000000
2004-01-01	1.78812000000000020
2005-01-01	2.55840000000000000
2006-01-01	2.77548000000000000
2007-01-01	2.62754000000000000
2008-01-01	2.07892000000000000
2009-01-01	1.43818999999999990
2010-01-01	1.71982000000000010
2011-01-01	1.59282000000000010
2012-01-01	1.64345000000000000
2013-01-01	1.66503000000000000
2014-01-01	1.55833000000000000
2015-01-01	1.50732000000000000
2016-01-01	1.34331000000000000