Quarter	Net Percent
1990-01-01	18
1990-04-01	12
1990-07-01	-9
1990-10-01	-2
1991-01-01	-35
1991-04-01	-19
1991-07-01	-10
1991-10-01	-8
1992-01-01	-74
1992-04-01	-26
1992-07-01	-36
1992-10-01	2
1993-01-01	0
1993-04-01	-17
1993-07-01	-29
1993-10-01	-56
1994-01-01	9
1994-04-01	10
1994-07-01	13
1994-10-01	12
1995-01-01	57
1995-04-01	42
1995-07-01	-25
1995-10-01	69
1996-01-01	26
1996-04-01	-6
1996-07-01	-67
1996-10-01	-8
1997-01-01	-31
1997-04-01	2
1997-07-01	26
1997-10-01	12
1998-01-01	25
1998-04-01	1
1998-07-01	7
1998-10-01	1
1999-01-01	-50
1999-04-01	-23
1999-07-01	-12
1999-10-01	29
2000-01-01	6
2000-04-01	-6
2000-07-01	8
2000-10-01	1
2001-01-01	-12
2001-04-01	-23
2001-07-01	-24
2001-10-01	-10
2002-01-01	-17
2002-04-01	-3
2002-07-01	39
2002-10-01	3
2003-01-01	5
2003-04-01	3
2003-07-01	7
2003-10-01	10
2004-01-01	6
2004-04-01	4
2004-07-01	13
2004-10-01	40
2005-01-01	27
2005-04-01	24
2005-07-01	48
2005-10-01	44
2006-01-01	31
2006-04-01	45
2006-07-01	35
2006-10-01	53
2007-01-01	38
2007-04-01	47
2007-07-01	41
2007-10-01	22
2008-01-01	-6
2008-04-01	-7
2008-07-01	-4
2008-10-01	-21
2009-01-01	-37
2009-04-01	-48
2009-07-01	-24
2009-10-01	-41
2010-01-01	-25
2010-04-01	-19
2010-07-01	-17
2010-10-01	10
2011-01-01	8
2011-04-01	1
2011-07-01	14
2011-10-01	14
2012-01-01	-2
2012-04-01	-23
2012-07-01	-12
2012-10-01	-9
2013-01-01	-23
2013-04-01	-15
2013-07-01	-6
2013-10-01	5