Monthly 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