Year	Percent
1999-01-01	0.72493000000000000
2000-01-01	0.75951300000000000
2001-01-01	0.67706000000000000
2002-01-01	0.46938400000000000
2003-01-01	0.14799900000000000
2004-01-01	1.11932000000000000
2005-01-01	1.48360000000000000
2006-01-01	1.97779000000000020
2007-01-01	2.29314000000000000
2008-01-01	1.29130000000000000
2009-01-01	1.21906000000000000
2010-01-01	1.01644000000000000
2011-01-01	1.10537000000000000
2012-01-01	0.65591300000000000
2013-01-01	0.59866100000000000
2014-01-01	0.39303699999999997
2015-01-01	0.46198000000000000
2016-01-01	0.38285000000000000