Quarter	Net Percent
1989-10-01	-17
1990-01-01	-17
1990-04-01	-8
1990-07-01	-26
1990-10-01	-33
1991-01-01	-34
1991-04-01	-37
1991-07-01	-34
1991-10-01	-44
1992-01-01	-25
1992-04-01	-35
1992-07-01	-43
1992-10-01	-53
1993-01-01	-41
1993-04-01	-42
1993-07-01	-38
1993-10-01	-32
1994-01-01	-16
1994-04-01	-5
1994-07-01	-10
1994-10-01	3
1995-01-01	2
1995-04-01	-5
1995-07-01	-14
1995-10-01	-20
1996-01-01	-33
1996-04-01	-24
1996-07-01	-23
1996-10-01	-25
1997-01-01	-14
1997-04-01	-25
1997-07-01	-41
1997-10-01	-41
1998-01-01	-53
1998-04-01	-54
1998-07-01	-53
1998-10-01	-49
1999-01-01	-48
1999-04-01	-50
1999-07-01	-41
1999-10-01	-28
2000-01-01	-20
2000-04-01	-25
2000-07-01	-14
2000-10-01	-16
2001-01-01	-22
2001-04-01	-21
2001-07-01	-16
2001-10-01	-26
2002-01-01	-9
2002-04-01	-14
2002-07-01	-9
2002-10-01	-6
2003-01-01	-10
2003-04-01	-20
2003-07-01	-26
2003-10-01	-28
2004-01-01	-7
2004-04-01	-11
2004-07-01	-5
2004-10-01	-5
2005-01-01	-22
2005-04-01	-16
2005-07-01	-18
2005-10-01	-19
2006-01-01	-10
2006-04-01	-2
2006-07-01	2
2006-10-01	19
2007-01-01	9
2007-04-01	-2
2007-07-01	2
2007-10-01	10
2008-01-01	-10
2008-04-01	-33
2008-07-01	-24
2008-10-01	-43
2009-01-01	-50
2009-04-01	-54
2009-07-01	-28
2009-10-01	-26
2010-01-01	-32
2010-04-01	-25
2010-07-01	-13
2010-10-01	-12
2011-01-01	-12
2011-04-01	1
2011-07-01	-23
2011-10-01	-18
2012-01-01	-1
2012-04-01	-7
2012-07-01	-17
2012-10-01	-25
2013-01-01	-9
2013-04-01	-16
2013-07-01	-20