Month	Net Percent, Seasonally Adjusted
1997-04-01	42
1997-05-01	42.2
1997-06-01	42
1997-07-01	42.2
1997-08-01	42.2
1997-09-01	42.2
1997-10-01	41.9
1997-11-01	41.9
1997-12-01	42
1998-01-01	44.8
1998-02-01	44.9
1998-03-01	45.1
1998-04-01	42.7
1998-05-01	42.7
1998-06-01	42.6
1998-07-01	31.9
1998-08-01	31.6
1998-09-01	30.9
1998-10-01	35.3
1998-11-01	34.9
1998-12-01	34.8
1999-01-01	45.9
1999-02-01	46.1
1999-03-01	46.6
1999-04-01	41.4
1999-05-01	42.7
1999-06-01	43.2
1999-07-01	52
1999-08-01	51.9
1999-09-01	51.7
1999-10-01	54.9
1999-11-01	54.8
1999-12-01	54.8
2000-01-01	47.9
2000-02-01	48.2
2000-03-01	48.2
2000-04-01	46.4
2000-05-01	49.3
2000-06-01	49.4
2000-07-01	56.7
2000-08-01	56.7
2000-09-01	56.6
2000-10-01	53.6
2000-11-01	53.6
2000-12-01	53.9
2001-01-01	34.2
2001-02-01	33.4
2001-03-01	32.7
2001-04-01	66.4
2001-05-01	67
2001-06-01	67.7
2001-07-01	53.4
2001-08-01	53.7
2001-09-01	54
2001-10-01	15.1
2001-11-01	13.7
2001-12-01	12.4
2002-01-01	23.1
2002-02-01	23.6
2002-03-01	20.9
2002-04-01	9.3
2002-05-01	11.7
2002-06-01	6.2
2002-07-01	-2
2002-08-01	-6.3
2002-09-01	-10.5
2002-10-01	5.3
2002-11-01	7.1
2002-12-01	5.7
2003-01-01	15.8
2003-02-01	7.6
2003-03-01	5.1
2003-04-01	-12.5
2003-05-01	1.5
2003-06-01	0.2
2003-07-01	-6.1
2003-08-01	-6
2003-09-01	-5
2003-10-01	7.4
2003-11-01	9.7
2003-12-01	17.1
2004-01-01	29.5
2004-02-01	23.7
2004-03-01	23.1
2004-04-01	17.4
2004-05-01	16.5
2004-06-01	17.9
2004-07-01	14.2
2004-08-01	7.3
2004-09-01	-0.3
2004-10-01	4.0
2004-11-01	-0.4
2004-12-01	-1.8
2005-01-01	12.9
2005-02-01	14.3
2005-03-01	23.3
2005-04-01	23.4
2005-05-01	15.9
2005-06-01	12.4
2005-07-01	13.7
2005-08-01	14.2
2005-09-01	14.3
2005-10-01	23.6
2005-11-01	19.2
2005-12-01	10.3
2006-01-01	11.8
2006-02-01	14
2006-03-01	15.7
2006-04-01	20.7
2006-05-01	25.6
2006-06-01	26.2
2006-07-01	25.3
2006-08-01	21.9
2006-09-01	16.7
2006-10-01	32.2
2006-11-01	36.3
2006-12-01	31.1
2007-01-01	35.5
2007-02-01	23.6
2007-03-01	29.1
2007-04-01	31
2007-05-01	34.4
2007-06-01	31.9
2007-07-01	26.3
2007-08-01	32.2
2007-09-01	42.8
2007-10-01	31
2007-11-01	29.7
2007-12-01	29.8
2008-01-01	25.5
2008-02-01	41.7
2008-03-01	34.5
2008-04-01	29.5
2008-05-01	15.8
2008-06-01	19
2008-07-01	17.8
2008-08-01	18.2
2008-09-01	13.6
2008-10-01	19.1
2008-11-01	7.7
2008-12-01	-10.5
2009-01-01	-24.1
2009-02-01	-18.9
2009-03-01	-25.2
2009-04-01	-32.5
2009-05-01	-32.8
2009-06-01	-20.0
2009-07-01	-21.6
2009-08-01	-16.3
2009-09-01	-18.9
2009-10-01	-21.2
2009-11-01	-15.3
2009-12-01	-1.4
2010-01-01	-6.9
2010-02-01	-21.8
2010-03-01	-22.0
2010-04-01	-19.2
2010-05-01	-31.7
2010-06-01	-27.1
2010-07-01	-18.2
2010-08-01	-18.3
2010-09-01	-9.7
2010-10-01	-20.3
2010-11-01	-25.7
2010-12-01	-21.2
2011-01-01	-18.2
2011-02-01	-23.5
2011-03-01	-26.1
2011-04-01	-26.7
2011-05-01	-25.4
2011-06-01	-28.5
2011-07-01	-31.2
2011-08-01	-26.5
2011-09-01	-25.5
2011-10-01	-28.2
2011-11-01	-25.2
2011-12-01	-37.9
2012-01-01	-40.3
2012-02-01	-30.2
2012-03-01	-33.9
2012-04-01	-31.8
2012-05-01	-24.2
2012-06-01	-39.3
2012-07-01	-43.9
2012-08-01	-47.0
2012-09-01	-41.6
2012-10-01	-50.4
2012-11-01	-45.8
2012-12-01	-30.0
2013-01-01	-29.9
2013-02-01	-20.1
2013-03-01	-23.0
2013-04-01	-22.8
2013-05-01	-13.6
2013-06-01	-4.2
2013-07-01	-6
2013-08-01	-11.8
2013-09-01	-11.2
2013-10-01	-6.7
2013-11-01	-6.3
2013-12-01	-8.9
2014-01-01	4.9
2014-02-01	7.1
2014-03-01	-1.3
2014-04-01	1.9
2014-05-01	-4.6
2014-06-01	15.5
2014-07-01	23.7
2014-08-01	26
2014-09-01	11.5
2014-10-01	16.1
2014-11-01	20.7
2014-12-01	12.4
2015-01-01	4.6
2015-02-01	-1.5
2015-03-01	-3.3
2015-04-01	-7.7
2015-05-01	-15.1
2015-06-01	-12.1
2015-07-01	-24.1
2015-08-01	-35.9
2015-09-01	-19.6
2015-10-01	-14.8
2015-11-01	-14.2
2015-12-01	-12.0
2016-01-01	-8.4
2016-02-01	-24.0
2016-03-01	-16.5
2016-04-01	-15.9
2016-05-01	-18.3
2016-06-01	-24.0
2016-07-01	-16.3
2016-08-01	-10.1
2016-09-01	-7.5
2016-10-01	-0.7
2016-11-01	2.0
2016-12-01	-2.5
2017-01-01	-5.5
2017-02-01	-0.5
2017-03-01	9.1
2017-04-01	5.2
2017-05-01	14.1
2017-06-01	8.7
2017-07-01	13.4
2017-08-01	19.5
2017-09-01	16.8
2017-10-01	14.4
2017-11-01	10.0
2017-12-01	11.3
2018-01-01	6.9
2018-02-01	13.8
2018-03-01	14.3
2018-04-01	15.5
2018-05-01	25.3
2018-06-01	19.6
2018-07-01	12.2
2018-08-01	9.0
2018-09-01	12.7
2018-10-01	11.2