Month Percent 1988-03-31 2.6 1988-04-30 5.7 1988-05-31 4.9 1988-06-30 3.8 1988-07-31 7 1988-08-31 -4.5 1988-09-30 -13.3 1988-10-31 -10.1 1988-11-30 -8.2 1988-12-31 -10.9 1989-01-31 -16.5 1989-02-28 -10.3 1989-03-31 -13.4 1989-04-30 -12.7 1989-05-31 -14.2 1989-06-30 -8.1 1989-07-31 -13.9 1989-08-31 -2.5 1989-09-30 2 1989-10-31 -2.3 1989-11-30 -0.9 1989-12-31 -3.1 1990-01-31 3.1 1990-02-28 1.7 1990-03-31 4 1990-04-30 -1.2 1990-05-31 -1.4 1990-06-30 -4 1990-07-31 4.2 1990-08-31 -1 1990-09-30 -1 1990-10-31 0.1 1990-11-30 -0.8 1990-12-31 -3 1991-01-31 -3.5 1991-02-28 -8.9 1991-03-31 -8.1 1991-04-30 -12.1 1991-05-31 -9.3 1991-06-30 -10 1991-07-31 -14.4 1991-08-31 -18.3 1991-09-30 -16.5 1991-10-31 -12.1 1991-11-30 -3.8 1991-12-31 0.7 1992-01-31 5.7 1992-02-29 21.2 1992-03-31 20.8 1992-04-30 22.5 1992-05-31 20.2 1992-06-30 21.1 1992-07-31 17.7 1992-08-31 23.4 1992-09-30 37.2 1992-10-31 40.7 1992-11-30 21.3 1992-12-31 21.3 1993-01-31 26.3 1993-02-28 11.8 1993-03-31 17 1993-04-30 30.8 1993-05-31 31.6 1993-06-30 26.2 1993-07-31 35.3 1993-08-31 32.3 1993-09-30 18.9 1993-10-31 16 1993-11-30 25.2 1993-12-31 25.8 1994-01-31 13.9 1994-02-28 18.9 1994-03-31 20.7 1994-04-30 4.1 1994-05-31 18.9 1994-06-30 23.8 1994-07-31 13.6 1994-08-31 30.6 1994-09-30 27.8 1994-10-31 28.6 1994-11-30 24.9 1994-12-31 24.3 1995-01-31 24.1 1995-02-28 24.1 1995-03-31 27.4 1995-04-30 38.4 1995-05-31 15.7 1995-06-30 15.7 1995-07-31 27.8 1995-08-31 13.7 1995-09-30 9.5 1995-10-31 8.8 1995-11-30 0.7 1995-12-31 9.3 1996-01-31 8.3 1996-02-29 15.1 1996-03-31 4.8 1996-04-30 4.8 1996-05-31 10.6 1996-06-30 10.6 1996-07-31 6.1 1996-08-31 2.9 1996-09-30 3.9 1996-10-31 3 1996-11-30 32.5 1996-12-31 21.9 1997-01-31 18.8 1997-02-28 11.7 1997-03-31 -1.4 1997-04-30 -2.7 1997-05-31 -4.7 1997-06-30 7 1997-07-31 5.7 1997-08-31 11.4 1997-09-30 23.7 1997-10-31 24.8 1997-11-30 -2.2 1997-12-31 -2.2 1998-01-31 -0.1 1998-02-28 -0.1 1998-03-31 8.2 1998-04-30 9.8 1998-05-31 16.6 1998-06-30 16.4 1998-07-31 16.5 1998-08-31 4 1998-09-30 -0.4 1998-10-31 -0.4 1998-11-30 2.5 1998-12-31 8.7 1999-01-31 13.8 1999-02-28 13.8 1999-03-31 13.3 1999-04-30 13.4 1999-05-31 6.8 1999-06-30 -4.8 1999-07-31 -0.2 1999-08-31 9.3 1999-09-30 -5.9 1999-10-31 9.6 1999-11-30 21.1 1999-12-31 0.4 2000-01-31 -1.5 2000-02-29 -7.1 2000-03-31 -2.5 2000-04-30 2.4 2000-05-31 3.9 2000-06-30 3.9 2000-07-31 -1.8 2000-08-31 -1.8 2000-09-30 5.3 2000-10-31 -12.8 2000-11-30 -17.5 2000-12-31 -8.6 2001-01-31 -4.9 2001-02-28 -4.8 2001-03-31 -23.5 2001-04-30 -36.5 2001-05-31 -37.4 2001-06-30 -26.1 2001-07-31 -3.8 2001-08-31 -20 2001-09-30 -15.1 2001-10-31 -8.7 2001-11-30 -11 2001-12-31 7.8 2002-01-31 3.4 2002-02-28 9.5 2002-03-31 37 2002-04-30 73.8 2002-05-31 48.5 2002-06-30 40.9 2002-07-31 -10 2002-08-31 8.2 2002-09-30 3.7 2002-10-31 0 2002-11-30 0.3 2002-12-31 -11.1 2003-01-31 -10.9 2003-02-28 -10.9 2003-03-31 6.2 2003-04-30 -4 2003-05-31 12.2 2003-06-30 -8.9 2003-07-31 10.7 2003-08-31 10.7 2003-09-30 15.5 2003-10-31 13.3 2003-11-30 3.5 2003-12-31 -1.1 2004-01-31 -1.1 2004-02-29 3.3 2004-03-31 5.7 2004-04-30 0.3 2004-05-31 12.7 2004-06-30 24 2004-07-31 27.7 2004-08-31 27.7 2004-09-30 41.6 2004-10-31 43.8 2004-11-30 41.4 2004-12-31 42.9 2005-01-31 43 2005-02-28 36.9 2005-03-31 11.3 2005-04-30 20.7 2005-05-31 7.4 2005-06-30 20.9 2005-07-31 11.5 2005-08-31 14.6 2005-09-30 -1.8 2005-10-31 0.6 2005-11-30 17.7 2005-12-31 3.7 2006-01-31 3.6 2006-02-28 3.6 2006-03-31 -2.3 2006-04-30 -5 2006-05-31 -5 2006-06-30 -13.4 2006-07-31 -8 2006-08-31 0.5 2006-09-30 6.7 2006-10-31 4.5 2006-11-30 1.9 2006-12-31 3 2007-01-31 3.6 2007-02-28 3.7 2007-03-31 9.1 2007-04-30 9.1 2007-05-31 9.2 2007-06-30 11.8 2007-07-31 -2.3 2007-08-31 -13.1 2007-09-30 -1.6 2007-10-31 -35.4 2007-11-30 -3.5 2007-12-31 -3.7 2008-01-31 -27.2 2008-02-29 -3.5 2008-03-31 -16.6 2008-04-30 -10.5 2008-05-31 -14 2008-06-30 -14.9 2008-07-31 0.5 2008-08-31 8.5 2008-09-30 -0.3 2008-10-31 51.7 2008-11-30 -11.9 2008-12-31 51.7 2009-01-31 80.8 2009-02-28 59 2009-03-31 94.3 2009-04-30 85.3 2009-05-31 98.1 2009-06-30 90.6 2009-07-31 72.5 2009-08-31 59.8 2009-09-30 81.3 2009-10-31 90.6 2009-11-30 115 2009-12-31 34.5 2010-01-31 59.3 2010-02-28 39.1 2010-03-31 35.9 2010-04-30 21.5 2010-05-31 18 2010-06-30 23.1 2010-07-31 26.3 2010-08-31 25.9 2010-09-30 21.3 2010-10-31 17.3 2010-11-30 17.3 2010-12-31 18.4 2011-01-31 13.8 2011-02-28 13.4 2011-03-31 1.3 2011-04-30 13.1 2011-05-31 15.5 2011-06-30 1.1 2011-07-31 10.9 2011-08-31 11.1 2011-09-30 7.9 2011-10-31 8.3 2011-11-30 8.3 2011-12-31 10.8 2012-01-31 18.2 2012-02-29 18 2012-03-31 14.5 2012-04-30 12.1 2012-05-31 10.4 2012-06-30 20.9 2012-07-31 15.6 2012-08-31 17.7 2012-09-30 9.9 2012-10-31 8.3 2012-11-30 13.7 2012-12-31 13.7 2013-01-31 4.5 2013-02-28 3.1 2013-03-31 16.4 2013-04-30 16.4 2013-05-31 16.4 2013-06-30 16.4 2013-07-31 21.9 2013-08-31 21.6 2013-09-30 3.1 2013-10-31 4.4 2013-11-30 -0.6 2013-12-31 -0.6 2014-01-31 -11.2 2014-02-28 -10.7 2014-03-31 1.1 2014-04-30 1.1 2014-05-31 0.5 2014-06-30 0.5 2014-07-31 5.2 2014-08-31 3.6 2014-09-30 12.7 2014-10-31 10.7 2014-11-30 13.5 2014-12-31 10 2015-01-31 9.7 2015-02-28 9.1 2015-03-31 7.2 2015-04-30 9.3 2015-05-31 9.3 2015-06-30 9.3 2015-07-31 5.4 2015-08-31 5.4 2015-09-30 5.4 2015-10-31 5.4 2015-11-30 2.8 2015-12-31 6.1 2016-01-31 13.3 2016-02-29 13.3 2016-03-31 3.2 2016-04-30 2.1 2016-05-31 10.1 2016-06-30 11 2016-07-31 5.5 2016-08-31 2.5 2016-09-30 4.6 2016-10-31 4.6 2016-11-30 1.2 2016-12-31 1.2 2017-01-31 5.1 2017-02-28 6 2017-03-31 5.6 2017-04-30 4.6 2017-05-31 -2.2 2017-06-30 -3 2017-07-31 -6.3 2017-08-31 -3.5 2017-09-30 5.4 2017-10-31 5.4 2017-11-30 13.3 2017-12-31 13.3 2018-01-31 13.3 2018-02-28 12.3 2018-03-31 1.4 2018-04-30 1.4 2018-05-31 0.6 2018-06-30 0.6 2018-07-31 0.3 2018-08-31 0.3 2018-09-30 -7.5 2018-10-31 -6.5 2018-11-30 -12.2 2018-12-31 -12.2 2019-01-31 -12.2 2019-02-28 -12.2 2019-03-31 -8.6 2019-04-30 -4.6 2019-05-31 -3.8 2019-06-30 -3 2019-07-31 -8.2 2019-08-31 -8.2 2019-09-30 -7.2 2019-10-31 -8.2 2019-11-30 -6 2019-12-31 -6 2020-01-31 -15.3 2020-02-29 -15.3 2020-03-31 -0.1 2020-04-30 -0.1 2020-05-31 2.3 2020-06-30 8.2 2020-07-31 21.1 2020-08-31 23.3 2020-09-30 26.2 2020-10-31 29.3 2020-11-30 30.5 2020-12-31 31.8 2021-01-31 57.6 2021-02-28 59.7 2021-03-31 36.5 2021-04-30 32.1 2021-05-31 29 2021-06-30 21 2021-07-31 20.7 2021-08-31 18.5 2021-09-30 8.7 2021-10-31 12.7 2021-11-30 8.7 2021-12-31 7.7 2022-01-31 -6.7 2022-02-28 -7.9 2022-03-31 -2.9 2022-04-30 -2.3 2022-05-31 -3.1 2022-06-30 -2.5 2022-07-31 -3 2022-08-31 -2.7 2022-09-30 -4 2022-10-31 -6.8 2022-11-30 0.4 2022-12-31 9.1 2023-01-31 18.5 2023-02-28 18.3 2023-03-31 15.8 2023-04-30 7 2023-05-31 8.9 2023-06-30 10.1 2023-07-31 7.2 2023-08-31 11.5 2023-09-30 12.5 2023-10-31 18.6 2023-11-30 15 2023-12-31 10.8