Quarter	Percent
2003-06-30	3.5
2003-09-30	3.76
2003-12-31	4.12
2004-03-31	4.46
2004-06-30	4.97
2004-09-30	4.95
2004-12-31	4.86
2005-03-31	4.97
2005-06-30	4.61
2005-09-30	4.5
2005-12-31	4.54
2006-03-31	4.61
2006-06-30	4.77
2006-09-30	5.15
2006-12-31	5.38
2007-03-31	5.68
2007-06-30	6.07
2007-09-30	6.29
2007-12-31	5.93
2008-03-31	5.94
2008-06-30	6.16
2008-09-30	6.45
2008-12-31	3.1
2009-03-31	1.86
2009-06-30	1.4
2009-09-30	0.56
2009-12-31	0.6
2010-03-31	0.74
2010-06-30	0.98
2010-09-30	1
2010-12-31	1.04
2011-03-31	1.1
2011-06-30	1.1
2011-09-30	1.17
2011-12-31	1.28
2012-03-31	1.105
2012-06-30	0.95
2012-09-30	0.85
2012-12-31	0.67
2013-03-31	0.575