Month	Percent
1997-12-31	10.8
1998-01-31	12.2
1998-02-28	29.8
1998-03-31	24
1998-04-30	31.6
1998-05-31	21.7
1998-06-30	17.3
1998-07-31	23
1998-08-31	8.5
1998-09-30	10.5
1998-10-31	8.3
1998-11-30	2.5
1998-12-31	3.2
1999-01-31	-2
1999-02-28	8.1
1999-03-31	6.5
1999-04-30	8
1999-05-31	9.7
1999-06-30	18.3
1999-07-31	11
1999-08-31	8.4
1999-09-30	4.2
1999-10-31	5.3
1999-11-30	14
1999-12-31	6.7
2000-01-31	8.7
2000-02-29	9.8
2000-03-31	25.9
2000-04-30	17.6
2000-05-31	17.3
2000-06-30	18.9
2000-07-31	19.6
2000-08-31	27.5
2000-09-30	10.7
2000-10-31	21.1
2000-11-30	21.5
2000-12-31	20
2001-01-31	19.8
2001-02-28	11.3
2001-03-31	24.9
2001-04-30	8.8
2001-05-31	5.8
2001-06-30	13
2001-07-31	10.4
2001-08-31	11.5
2001-09-30	-0.7
2001-10-31	12.9
2001-11-30	8.8
2001-12-31	-3.6
2002-01-31	2.7
2002-02-28	-2.8
2002-03-31	3.9
2002-04-30	-6
2002-05-31	-2.7
2002-06-30	9.4
2002-07-31	-1.4
2002-08-31	-0.7
2002-09-30	7.9
2002-10-31	17.6
2002-11-30	16.1
2002-12-31	-0.3
2003-01-31	7
2003-02-28	9.2
2003-03-31	0
2003-04-30	-1.1
2003-05-31	-1.5
2003-06-30	9.3
2003-07-31	8.2
2003-08-31	1.7
2003-09-30	6.4
2003-10-31	12.5
2003-11-30	11.6
2003-12-31	10
2004-01-31	18.7
2004-02-29	18.6
2004-03-31	18.1
2004-04-30	13
2004-05-31	12.7
2004-06-30	17.2
2004-07-31	12.4
2004-08-31	20.1
2004-09-30	20.1
2004-10-31	20.1
2004-11-30	21.6
2004-12-31	19
2005-01-31	19.8
2005-02-28	18.4
2005-03-31	14.3
2005-04-30	9.7
2005-05-31	12.1
2005-06-30	9.4
2005-07-31	10.7
2005-08-31	6.8
2005-09-30	12
2005-10-31	18
2005-11-30	6.4
2005-12-31	16.5
2006-01-31	20.1
2006-02-28	27.6
2006-03-31	26.8
2006-04-30	33.6
2006-05-31	44.7
2006-06-30	45.3
2006-07-31	33.6
2006-08-31	29.6
2006-09-30	24
2006-10-31	15.2
2006-11-30	18.4
2006-12-31	4.5
2007-01-31	18.2
2007-02-28	18.1
2007-03-31	19
2007-04-30	20.1
2007-05-31	25.7
2007-06-30	32
2007-07-31	20.5
2007-08-31	29.1
2007-09-30	34.8
2007-10-31	31.6
2007-11-30	23.7
2007-12-31	24.4
2008-01-31	32.5
2008-02-29	21
2008-03-31	15
2008-04-30	26.6
2008-05-31	20.3
2008-06-30	35.1
2008-07-31	32.7
2008-08-31	46.1
2008-09-30	57.7
2008-10-31	67.8
2008-11-30	76.4
2008-12-31	69.3
2009-01-31	69
2009-02-28	62.3
2009-03-31	54.3
2009-04-30	25.8
2009-05-31	22.6
2009-06-30	8.3
2009-07-31	2.2
2009-08-31	-2.2
2009-09-30	-2
2009-10-31	10.1
2009-11-30	6.9
2009-12-31	7
2010-01-31	10.9
2010-02-28	7.3
2010-03-31	3.4
2010-04-30	-8.2
2010-05-31	-4.4
2010-06-30	-0.7
2010-07-31	-8.7
2010-08-31	-11.2
2010-09-30	-8.3
2010-10-31	1.4
2010-11-30	-4.2
2010-12-31	-13.2
2011-01-31	-9.4
2011-02-28	-3.1
2011-03-31	-5.9
2011-04-30	-8.1
2011-05-31	-5
2011-06-30	5
2011-07-31	2.1
2011-08-31	3.5
2011-09-30	0.6
2011-10-31	-10
2011-11-30	-11.5
2011-12-31	-13.9
2012-01-31	-15.6
2012-02-29	-21.8
2012-03-31	-23.7
2012-04-30	-16.6
2012-05-31	-15.9
2012-06-30	-21.5
2012-07-31	-19.6
2012-08-31	-15.6
2012-09-30	-10.9
2012-10-31	-12
2012-11-30	-8.9
2012-12-31	7.8
2013-01-31	7.4
2013-02-28	6.3
2013-03-31	0.2
2013-04-30	-1.3
2013-05-31	-3
2013-06-30	-12.9
2013-07-31	-10.9
2013-08-31	-5.7
2013-09-30	-0.3
2013-10-31	-3.7
2013-11-30	-1.7
2013-12-31	-8.8
2014-01-31	-11
2014-02-28	-14.8
2014-03-31	-27.9
2014-04-30	-28.7
2014-05-31	-30
2014-06-30	-22.1
2014-07-31	-19.1
2014-08-31	-20.3
2014-09-30	-8.7
2014-10-31	-6.3
2014-11-30	-8.8
2014-12-31	-8.8
2015-01-31	-12.5
2015-02-28	-12.4
2015-03-31	-9.3
2015-04-30	-6.2
2015-05-31	-2.6
2015-06-30	-7.2
2015-07-31	2.1
2015-08-31	0.4
2015-09-30	-3.6
2015-10-31	-6.2
2015-11-30	-6.5
2015-12-31	-3
2016-01-31	-8.7
2016-02-29	-1.7
2016-03-31	0.6
2016-04-30	-1.2
2016-05-31	2.3
2016-06-30	7.8
2016-07-31	7.1
2016-08-31	2
2016-09-30	2.2
2016-10-31	8.4
2016-11-30	7.5
2016-12-31	1.2
2017-01-31	15.8
2017-02-28	12.6
2017-03-31	15.9
2017-04-30	19
2017-05-31	15.8
2017-06-30	19.2
2017-07-31	5.2
2017-08-31	11.8
2017-09-30	9.8
2017-10-31	3.3
2017-11-30	5.4
2017-12-31	2.8
2018-01-31	3.2
2018-02-28	-1.9
2018-03-31	-4.5
2018-04-30	-2.7
2018-05-31	-9.4
2018-06-30	-2.7
2018-07-31	-10.1
2018-08-31	-9
2018-09-30	-1.6
2018-10-31	-2.1
2018-11-30	5.8
2018-12-31	0.8
2019-01-31	8.8
2019-02-28	8.9
2019-03-31	6.6
2019-04-30	4.7
2019-05-31	0.1
2019-06-30	2
2019-07-31	7.7
2019-08-31	15.4
2019-09-30	11.2
2019-10-31	16.1
2019-11-30	20.7
2019-12-31	20
2020-01-31	10.2
2020-02-29	8.2
2020-03-31	18.4
2020-04-30	16.9
2020-05-31	9
2020-06-30	10.4
2020-07-31	13.4
2020-08-31	5.1
2020-09-30	-3.7
2020-10-31	-4.9
2020-11-30	3.7
2020-12-31	-1.2
2021-01-31	-3.1
2021-02-28	-4.7
2021-03-31	-8.1
2021-04-30	-7.1
2021-05-31	-9.2
2021-06-30	-4.2
2021-07-31	-6.9
2021-08-31	-0.6
2021-09-30	1.3
2021-10-31	1.5
2021-11-30	5.5
2021-12-31	3.7
2022-01-31	6
2022-02-28	11.3
2022-03-31	13.1
2022-04-30	10.4
2022-05-31	5
2022-06-30	1.3
2022-07-31	6.5
2022-08-31	-2.4
2022-09-30	3.5
2022-10-31	-0.1
2022-11-30	-7.2
2022-12-31	-7.5
2023-01-31	-10.3
2023-02-28	-14.9
2023-03-31	-21.8
2023-04-30	-17.5
2023-05-31	-12.4
2023-06-30	-11.3
2023-07-31	-10.3
2023-08-31	-2
2023-09-30	-3.9
2023-10-31	-0.5
2023-11-30	4.1
2023-12-31	4.7