Quarter	Percent
1994-03-31	4.815
1994-06-30	5.065
1994-09-30	5.75
1994-12-31	5.69
1995-03-31	6.28
1995-06-30	6.41
1995-09-30	6.72
1995-12-31	6.47
1996-03-31	6.03
1996-06-30	5.75
1996-09-30	5.845
1996-12-31	6.13
1997-03-31	6.065
1997-06-30	6.5
1997-09-30	7.065
1997-12-31	7.315
1998-03-31	7.5
1998-06-30	7.4063
1998-09-30	7.47
1998-12-31	6.315
1999-03-31	5.375
1999-06-30	5
1999-09-30	5.345
1999-12-31	4.625
2000-03-31	5.9063
2000-06-30	5.9063
2000-09-30	6.0313
2000-12-31	5.4532
2001-03-31	5.7813
2001-06-30	5.1251
2001-09-30	4.8438
2001-12-31	4.3438
2002-03-31	3.7813
2002-06-30	3.7813
2002-09-30	3.8438
2002-12-31	4.0313
2003-03-31	3.75
2003-06-30	3.625
2003-09-30	3.5938
2003-12-31	3.8125
2004-03-31	3.9688
2004-06-30	4.5938
2004-09-30	4.7656
2004-12-31	4.77
2005-03-31	4.795
2005-06-30	4.77
2005-09-30	4.54
2005-12-31	4.65
2006-03-31	4.535
2006-06-30	4.615
2006-09-30	4.885
2006-12-31	5.21
2007-03-31	5.36
2007-06-30	5.85
2007-09-30	6
2007-12-31	5.7
2008-03-31	5.6
2008-06-30	5.25
2008-09-30	5.95
2008-12-31	1.95
2009-03-31	0.65
2009-06-30	0.575
2009-09-30	0.54
2009-12-31	0.5
2010-03-31	0.5
2010-06-30	0.54
2010-09-30	0.54
2010-12-31	0.575
2011-03-31	0.585
2011-06-30	0.625
2011-09-30	0.65
2011-12-31	0.675
2012-03-31	0.6
2012-06-30	0.575
2012-09-30	0.475
2012-12-31	0.475
2013-03-31	0.475
2013-06-30	0.475
2013-09-30	0.475
2013-12-31	0.475
2014-03-31	0.475
2014-06-30	0.475
2014-09-30	0.45
2014-12-31	0.45
2015-03-31	0.45
2015-06-30	0.45
2015-09-30	0.45
2015-12-31	0.425
2016-03-31	0.45
2016-06-30	0.475
2016-09-30	0.24
2016-12-31	0.24
2017-03-31	0.19
2017-06-30	0.23
2017-09-30	0.24