Month	Net Percent, Seasonally Adjusted
1998-01-01	13.2
1998-02-01	24.6
1998-03-01	14
1998-04-01	9.9
1998-05-01	11.1
1998-06-01	16.8
1998-07-01	22.8
1998-08-01	20.2
1998-09-01	14.6
1998-10-01	12.4
1998-11-01	13.8
1998-12-01	13.2
1999-01-01	15.8
1999-02-01	8.1
1999-03-01	14.5
1999-04-01	17.9
1999-05-01	10.9
1999-06-01	11.5
1999-07-01	8.5
1999-08-01	5.7
1999-09-01	5.5
1999-10-01	8.9
1999-11-01	16
1999-12-01	15
2000-01-01	17.5
2000-02-01	11.5
2000-03-01	14.8
2000-04-01	16.1
2000-05-01	16.7
2000-06-01	11.8
2000-07-01	8.3
2000-08-01	16.6
2000-09-01	17
2000-10-01	15.2
2000-11-01	7.2
2000-12-01	6.5
2001-01-01	4.4
2001-02-01	5.1
2001-03-01	2.8
2001-04-01	0.1
2001-05-01	4.6
2001-06-01	-0.4
2001-07-01	-0.1
2001-08-01	-5.3
2001-09-01	0.1
2001-10-01	-3.6
2001-11-01	-3.9
2001-12-01	-3.6
2002-01-01	-7.9
2002-02-01	-5.3
2002-03-01	-3.6
2002-04-01	-4.6
2002-05-01	-2.1
2002-06-01	0.2
2002-07-01	-3.6
2002-08-01	-7.9
2002-09-01	-8
2002-10-01	-3.6
2002-11-01	-10.6
2002-12-01	-10.3
2003-01-01	-6.4
2003-02-01	-9.4
2003-03-01	-11.3
2003-04-01	-4.1
2003-05-01	-6.3
2003-06-01	-4.4
2003-07-01	-11.1
2003-08-01	-12.4
2003-09-01	-10.9
2003-10-01	-10.8
2003-11-01	-5
2003-12-01	-8.5
2004-01-01	-11.9
2004-02-01	-14.0
2004-03-01	-8.6
2004-04-01	-8.7
2004-05-01	-9.9
2004-06-01	-3.9
2004-07-01	-6.8
2004-08-01	-6.1
2004-09-01	-16.5
2004-10-01	-16.1
2004-11-01	-13.0
2004-12-01	-7.1
2005-01-01	-11.7
2005-02-01	-13.1
2005-03-01	-14.4
2005-04-01	-13.2
2005-05-01	-35.8
2005-06-01	-20.8
2005-07-01	-10.8
2005-08-01	-20.1
2005-09-01	-9.7
2005-10-01	4.5
2005-11-01	3.1
2005-12-01	-0.3
2006-01-01	4.5
2006-02-01	6.3
2006-03-01	-2.7
2006-04-01	-0.9
2006-05-01	2.1
2006-06-01	-0.7
2006-07-01	10.5
2006-08-01	-7.7
2006-09-01	12.5
2006-10-01	9.2
2006-11-01	5.6
2006-12-01	7.0
2007-01-01	1.2
2007-02-01	-4.8
2007-03-01	0.6
2007-04-01	-5.5
2007-05-01	7.0
2007-06-01	-9.6
2007-07-01	-14.4
2007-08-01	6.4
2007-09-01	-0.2
2007-10-01	-3
2007-11-01	-4.5
2007-12-01	-7.5
2008-01-01	-6
2008-02-01	-5.6
2008-03-01	-1
2008-04-01	-7.4