Month	Net Percent, Seasonally Adjusted
1998-01-01	38.3
1998-02-01	41.8
1998-03-01	41
1998-04-01	35.4
1998-05-01	30.9
1998-06-01	27.4
1998-07-01	22.9
1998-08-01	23.4
1998-09-01	25.5
1998-10-01	32.8
1998-11-01	34.1
1998-12-01	31.1
1999-01-01	10.6
1999-02-01	5.7
1999-03-01	-3.3
1999-04-01	-8.4
1999-05-01	-4.4
1999-06-01	0.0
1999-07-01	5.5
1999-08-01	11.9
1999-09-01	19.3
1999-10-01	24.9
1999-11-01	29
1999-12-01	28.8
2000-01-01	39.2
2000-02-01	46.7
2000-03-01	49.9
2000-04-01	55.9
2000-05-01	53.3
2000-06-01	51.1
2000-07-01	50.7
2000-08-01	45.5
2000-09-01	45.2
2000-10-01	43.5
2000-11-01	37
2000-12-01	24.8
2001-01-01	24.8
2001-02-01	29.9
2001-03-01	28.1
2001-04-01	31
2001-05-01	28.2
2001-06-01	27.2
2001-07-01	26.8
2001-08-01	13.3
2001-09-01	2.6
2001-10-01	-9.3
2001-11-01	-27.4
2001-12-01	-10.1
2002-01-01	11.2
2002-02-01	10.3
2002-03-01	27
2002-04-01	17.8
2002-05-01	19.5
2002-06-01	9.3
2002-07-01	-7.9
2002-08-01	2.7
2002-09-01	-14.3
2002-10-01	-34.7
2002-11-01	-16.9
2002-12-01	-26.8
2003-01-01	-15.6
2003-02-01	-26.1
2003-03-01	-29.0
2003-04-01	-26.2
2003-05-01	-15.8
2003-06-01	-21.1
2003-07-01	-20.8
2003-08-01	-24.5
2003-09-01	-16.0
2003-10-01	-7.6
2003-11-01	-10.4
2003-12-01	3.7
2004-01-01	-12.0
2004-02-01	-8.8
2004-03-01	-20.0
2004-04-01	-19.6
2004-05-01	-18.8
2004-06-01	-11.5
2004-07-01	-17.1
2004-08-01	-15.7
2004-09-01	-4.9
2004-10-01	-0.7
2004-11-01	5.6
2004-12-01	-14.0
2005-01-01	-11.0
2005-02-01	-9.5
2005-03-01	-5.2
2005-04-01	-1.2
2005-05-01	-4.5
2005-06-01	-8
2005-07-01	-1.9
2005-08-01	-0.3
2005-09-01	4.3
2005-10-01	19.4
2005-11-01	22
2005-12-01	12.6
2006-01-01	10.1
2006-02-01	6.6
2006-03-01	8.4
2006-04-01	14.3
2006-05-01	9.2
2006-06-01	12.9
2006-07-01	13.6
2006-08-01	14.3
2006-09-01	15.3
2006-10-01	14.3
2006-11-01	12.4
2006-12-01	11.1
2007-01-01	8.2
2007-02-01	11.7
2007-03-01	12.3
2007-04-01	13.1
2007-05-01	8.1
2007-06-01	4.8
2007-07-01	9.8
2007-08-01	12.3
2007-09-01	10.1
2007-10-01	8.7
2007-11-01	6.5
2007-12-01	4.6
2008-01-01	2.8
2008-02-01	0.3
2008-03-01	-5.4
2008-04-01	-8.5
2008-05-01	-7.3
2008-06-01	-5.2
2008-07-01	-3.8
2008-08-01	-7.2
2008-09-01	-4.4
2008-10-01	-12.2
2008-11-01	-12.2
2008-12-01	-15.8
2009-01-01	-16.6
2009-02-01	-17.9
2009-03-01	-27.8
2009-04-01	-24.7
2009-05-01	-19.3
2009-06-01	-20.6
2009-07-01	-18.1
2009-08-01	-9.5
2009-09-01	-10.4
2009-10-01	-10.2
2009-11-01	-10.6
2009-12-01	-7.8
2010-01-01	-5.2
2010-02-01	-0.3
2010-03-01	-3.7
2010-04-01	1.7
2010-05-01	-3.1
2010-06-01	-2.4
2010-07-01	-2.5
2010-08-01	-3.8
2010-09-01	-5.1
2010-10-01	-2.4
2010-11-01	1.3
2010-12-01	1.1
2011-01-01	-0.5
2011-02-01	7.2
2011-03-01	-0.8
2011-04-01	3.6
2011-05-01	-0.6
2011-06-01	4.3
2011-07-01	-4.4
2011-08-01	-3.5
2011-09-01	-10.0
2011-10-01	-3.6
2011-11-01	-11.6
2011-12-01	-14.7
2012-01-01	-19.6
2012-02-01	-25.6
2012-03-01	-16.6
2012-04-01	-24.4
2012-05-01	-26.9
2012-06-01	-27.0
2012-07-01	-24.8
2012-08-01	-31.7
2012-09-01	-28.7
2012-10-01	-24.4
2012-11-01	-26.3
2012-12-01	-28.1
2013-01-01	-21.1
2013-02-01	-24.2
2013-03-01	-17.8
2013-04-01	-22.4
2013-05-01	-24.7
2013-06-01	-30.8
2013-07-01	-23.7
2013-08-01	-17.9
2013-09-01	-19.4
2013-10-01	-23.8
2013-11-01	-19.9
2013-12-01	-15.8