Quarter	Net Percent
2000-01-01	13.16
2000-04-01	15.09
2000-07-01	13.72
2000-10-01	13.94
2001-01-01	13.25
2001-04-01	14.00
2001-07-01	9.67
2001-10-01	9.18
2002-01-01	3.52
2002-04-01	3.73
2002-07-01	0.09
2002-10-01	-0.75
2003-01-01	24.15
2003-04-01	14.30
2003-07-01	21.53
2003-10-01	25.89
2004-01-01	26.84
2004-04-01	18.93
2004-07-01	20.71
2004-10-01	21.82
2005-01-01	23.03
2005-04-01	19.92
2005-07-01	20.67
2005-10-01	20.58
2006-01-01	23.51
2006-04-01	25.78
2006-07-01	24.66
2006-10-01	25.78
2007-01-01	28.39
2007-04-01	31.36
2007-07-01	29.61
2007-10-01	31.18
2008-01-01	28.62
2008-04-01	28.04
2008-07-01	16.84
2008-10-01	-0.05
2009-01-01	6.36
2009-04-01	11.49
2009-07-01	16.41
2009-10-01	23.75
2010-01-01	26.27
2010-04-01	25.23
2010-07-01	27.49
2010-10-01	30.27
2011-01-01	27.60
2011-04-01	25.41
2011-07-01	23.56
2011-10-01	21.06