Year	Percent
1997-01-01	1.02975000000000000
1998-01-01	1.23010000000000000
1999-01-01	1.06434000000000000
2000-01-01	0.85012999999999990
2001-01-01	0.89382500000000000
2002-01-01	0.94259599999999990
2003-01-01	0.92767600000000010
2004-01-01	0.11120899999999999
2005-01-01	0.11120899999999999
2006-01-01	1.06725000000000000
2007-01-01	2.20992000000000000
2008-01-01	2.13213000000000000
2009-01-01	1.92219000000000000
2010-01-01	1.72603000000000000
2011-01-01	1.66170999999999980
2012-01-01	1.01210000000000000
2013-01-01	0.80139300000000000
2014-01-01	0.77120200000000000
2015-01-01	0.72680600000000010
2016-01-01	0.63573800000000000