Quarter	Net Percent
1992-04-01	19.70
1992-10-01	21.70
1993-01-01	17.00
1993-04-01	18.40
1993-07-01	14.50
1993-10-01	15.50
1994-01-01	5.70
1994-04-01	7.90
1994-07-01	8.30
1994-10-01	9.20
1995-01-01	5.70
1995-04-01	4.50
1995-07-01	0.20
1995-10-01	3.40
1996-01-01	-4.20
1996-04-01	-6.60
1996-07-01	-7.80
1996-10-01	-5.10
1997-01-01	-10.70
1997-04-01	-8.90
1997-07-01	-10.50
1997-10-01	-10.20
1998-01-01	-14.60
1998-04-01	-12
1998-07-01	-10.70
1998-10-01	-8.50
1999-01-01	-9.30
1999-04-01	-7.90
1999-07-01	-7.00
1999-10-01	0.70
2000-01-01	18.25
2000-04-01	26.99
2000-07-01	25.60
2000-10-01	29.19
2001-01-01	19.74
2001-04-01	27.84
2001-07-01	18.71
2001-10-01	17.76
2002-01-01	18.29
2002-04-01	30.08
2002-07-01	30.31
2002-10-01	34.00
2003-01-01	32.99
2003-04-01	23.20
2003-07-01	34.25
2003-10-01	37.62
2004-01-01	37.91
2004-04-01	32.92
2004-07-01	32.50
2004-10-01	34.36
2005-01-01	30.75
2005-04-01	28.40
2005-07-01	28.85
2005-10-01	28.01
2006-01-01	27.94
2006-04-01	34.02
2006-07-01	33.12
2006-10-01	38.32
2007-01-01	39.32
2007-04-01	45.83
2007-07-01	42.24
2007-10-01	41.03
2008-01-01	31.42
2008-04-01	34.10
2008-07-01	23.67
2008-10-01	-3.99
2009-01-01	-1.64
2009-04-01	11.65
2009-07-01	20.03
2009-10-01	27.34
2010-01-01	29.50
2010-04-01	32.70
2010-07-01	33.97
2010-10-01	34.90
2011-01-01	29.65
2011-04-01	31.17
2011-07-01	27.49
2011-10-01	21.71