Month	Net Percent, Seasonally Adjusted
1998-01-01	28.1
1998-02-01	23.1
1998-03-01	29.4
1998-04-01	31.3
1998-05-01	15.7
1998-06-01	19
1998-07-01	20.9
1998-08-01	25.4
1998-09-01	19.5
1998-10-01	16.5
1998-11-01	14.3
1998-12-01	16.7
1999-01-01	17.2
1999-02-01	15.8
1999-03-01	13.6
1999-04-01	12.6
1999-05-01	17.1
1999-06-01	17.2
1999-07-01	17.9
1999-08-01	14.5
1999-09-01	18.6
1999-10-01	16
1999-11-01	16.6
1999-12-01	19.4
2000-01-01	14.5
2000-02-01	19.1
2000-03-01	18
2000-04-01	16.7
2000-05-01	20.4
2000-06-01	17.5
2000-07-01	15.2
2000-08-01	17.5
2000-09-01	15.4
2000-10-01	18.9
2000-11-01	18.3
2000-12-01	15.6
2001-01-01	13.5
2001-02-01	14.2
2001-03-01	6.9
2001-04-01	4.4
2001-05-01	6.9
2001-06-01	7.0
2001-07-01	7.5
2001-08-01	0.8
2001-09-01	2.2
2001-10-01	-0.1
2001-11-01	-0.1
2001-12-01	-2.7
2002-01-01	0.0
2002-02-01	6.2
2002-03-01	4.2
2002-04-01	2.9
2002-05-01	15.8
2002-06-01	7.6
2002-07-01	-0.5
2002-08-01	-3.8
2002-09-01	-1.4
2002-10-01	4.0
2002-11-01	4.6
2002-12-01	-2.4
2003-01-01	2.4
2003-02-01	0.3
2003-03-01	2.2
2003-04-01	3.8
2003-05-01	4.7
2003-06-01	0.4
2003-07-01	-0.9
2003-08-01	-7.3
2003-09-01	-1.9
2003-10-01	-8.4
2003-11-01	1.5
2003-12-01	2.1
2004-01-01	-5.8
2004-02-01	-3.7
2004-03-01	-0.5
2004-04-01	-2
2004-05-01	-2.1
2004-06-01	-2.4
2004-07-01	6.7
2004-08-01	1.6
2004-09-01	2.4
2004-10-01	-10.7
2004-11-01	-13.2
2004-12-01	6.9
2005-01-01	-2.2
2005-02-01	-8.3
2005-03-01	2.8
2005-04-01	-9.9
2005-05-01	-4.7
2005-06-01	0.1
2005-07-01	6.9
2005-08-01	3.8
2005-09-01	5.3
2005-10-01	6.1
2005-11-01	4.7
2005-12-01	-0.2
2006-01-01	5.6
2006-02-01	2.3
2006-03-01	0.6
2006-04-01	5.1
2006-05-01	2.1
2006-06-01	3.6
2006-07-01	7.0
2006-08-01	13.3
2006-09-01	-0.1
2006-10-01	11.1
2006-11-01	7.3
2006-12-01	9.5
2007-01-01	5.7
2007-02-01	8.3
2007-03-01	3.2
2007-04-01	8.0
2007-05-01	3.3
2007-06-01	3.2
2007-07-01	0.7
2007-08-01	4.3
2007-09-01	4.9
2007-10-01	1.1
2007-11-01	-1.7
2007-12-01	-2.2
2008-01-01	-5
2008-02-01	4.1
2008-03-01	-5.6
2008-04-01	1.9