Month Percent 1993-04-30 -1 1993-05-31 -0.8 1993-06-30 0.4 1993-07-31 0.2 1993-08-31 1.3 1993-09-30 2 1993-10-31 1.3 1993-11-30 0.2 1993-12-31 0.3 1994-01-31 0.6 1994-02-28 0.6 1994-03-31 1.9 1994-04-30 3.1 1994-05-31 4.2 1994-06-30 3.8 1994-07-31 4.3 1994-08-31 4.8 1994-09-30 5.2 1994-10-31 6.4 1994-11-30 7.7 1994-12-31 7.3 1995-01-31 7.9 1995-02-28 8.7 1995-03-31 9 1995-04-30 8.8 1995-05-31 8.4 1995-06-30 9.1 1995-07-31 10 1995-08-31 9.6 1995-09-30 10.1 1995-10-31 10.7 1995-11-30 11.1 1995-12-31 11.7 1996-01-31 11.5 1996-02-29 11.8 1996-03-31 12.1 1996-04-30 13.6 1996-05-31 13.6 1996-06-30 13.2 1996-07-31 14 1996-08-31 13.9 1996-09-30 15.2 1996-10-31 14.7 1996-11-30 14.8 1996-12-31 15.1 1997-01-31 15.7 1997-02-28 16.5 1997-03-31 15.7 1997-04-30 15.6 1997-05-31 16.1 1997-06-30 17.7 1997-07-31 15.6 1997-08-31 16 1997-09-30 14.6 1997-10-31 14 1997-11-30 14.5 1997-12-31 14.9 1998-01-31 15.3 1998-02-28 14.8 1998-03-31 15.8 1998-04-30 14.9 1998-05-31 15.3 1998-06-30 14.5 1998-07-31 15.5 1998-08-31 15.5 1998-09-30 16.3 1998-10-31 17.2 1998-11-30 19 1998-12-31 16.8 1999-01-31 16.8 1999-02-28 16.4 1999-03-31 16 1999-04-30 16.3 1999-05-31 15.2 1999-06-30 15.3 1999-07-31 15.5 1999-08-31 15.6 1999-09-30 14.5 1999-10-31 14.2 1999-11-30 13.5 1999-12-31 14.1 2000-01-31 15 2000-02-29 15 2000-03-31 14.8 2000-04-30 14.8 2000-05-31 15.2 2000-06-30 14.3 2000-07-31 14.9 2000-08-31 13.9 2000-09-30 13.7 2000-10-31 14.6 2000-11-30 13.4 2000-12-31 14.5 2001-01-31 13.9 2001-02-28 13.7 2001-03-31 13.7 2001-04-30 14.5 2001-05-31 14.6 2001-06-30 15.1 2001-07-31 15.4 2001-08-31 15.8 2001-09-30 16.2 2001-10-31 16.7 2001-11-30 16.9 2001-12-31 16.9 2002-01-31 16.9 2002-02-28 17.2 2002-03-31 17.6 2002-04-30 17.5 2002-05-31 17.5 2002-06-30 17 2002-07-31 17.3 2002-08-31 17.4 2002-09-30 17.6 2002-10-31 17.3 2002-11-30 16.5 2002-12-31 16.8 2003-01-31 15.7 2003-02-28 15.1 2003-03-31 15 2003-04-30 13.8 2003-05-31 13.5 2003-06-30 14 2003-07-31 13.3 2003-08-31 12.7 2003-09-30 12.3 2003-10-31 11.4 2003-11-30 12.3 2003-12-31 11.7 2004-01-31 12.7 2004-02-29 13 2004-03-31 12.6 2004-04-30 12.7 2004-05-31 13 2004-06-30 12.8 2004-07-31 12.3 2004-08-31 12.9 2004-09-30 13 2004-10-31 12.8 2004-11-30 13 2004-12-31 13 2005-01-31 12.9 2005-02-28 12.1 2005-03-31 12 2005-04-30 11.9 2005-05-31 11.6 2005-06-30 11.6 2005-07-31 11.2 2005-08-31 10.9 2005-09-30 10.6 2005-10-31 10.8 2005-11-30 10.2 2005-12-31 10.2 2006-01-31 10.1 2006-02-28 10.5 2006-03-31 9.4 2006-04-30 9.2 2006-05-31 9.2 2006-06-30 8.5 2006-07-31 8.9 2006-08-31 8.3 2006-09-30 7.6 2006-10-31 7.6 2006-11-30 7 2006-12-31 6.4 2007-01-31 5.7 2007-02-28 4.9 2007-03-31 4.6 2007-04-30 5.1 2007-05-31 4.5 2007-06-30 3.9 2007-07-31 3.9 2007-08-31 3.6 2007-09-30 3.9 2007-10-31 4.2 2007-11-30 4.1 2007-12-31 3.5 2008-01-31 3.2 2008-02-29 4 2008-03-31 4.3 2008-04-30 3.8 2008-05-31 3.3 2008-06-30 3.4 2008-07-31 2.8 2008-08-31 2.4 2008-09-30 1.6 2008-10-31 0.5 2008-11-30 0.3 2008-12-31 0.6 2009-01-31 -0.1 2009-02-28 -1.7 2009-03-31 -2 2009-04-30 -3.7 2009-05-31 -4 2009-06-30 -3.9 2009-07-31 -4.5 2009-08-31 -5 2009-09-30 -4.9 2009-10-31 -5.6 2009-11-30 -3.3 2009-12-31 -3.5 2010-01-31 -3.3 2010-02-28 -3.2 2010-03-31 -3.2 2010-04-30 -2.6 2010-05-31 -2.6 2010-06-30 -2.7 2010-07-31 -2.6 2010-08-31 -2.1 2010-09-30 -2.7 2010-10-31 -2 2010-11-30 -4.4 2010-12-31 -3.6 2011-01-31 -4 2011-02-28 -3.2 2011-03-31 -3.1 2011-04-30 -2.7 2011-05-31 -2.4 2011-06-30 -2.4 2011-07-31 -2.8 2011-08-31 -2 2011-09-30 -2 2011-10-31 -1.8 2011-11-30 -1.7 2011-12-31 -3.3 2012-01-31 -3 2012-02-29 -3.5 2012-03-31 -3.8 2012-04-30 -3.6 2012-05-31 -3.8 2012-06-30 -4.4 2012-07-31 -3.7 2012-08-31 -4.9 2012-09-30 -3.9 2012-10-31 -4.1 2012-11-30 -5 2012-12-31 -2.6 2013-01-31 -2.1 2013-02-28 -1.2 2013-03-31 -0.8 2013-04-30 0 2013-05-31 0.2 2013-06-30 0.3 2013-07-31 1.4 2013-08-31 2.5 2013-09-30 3.2 2013-10-31 3.1 2013-11-30 3.3 2013-12-31 3.2 2014-01-31 2.6 2014-02-28 2.7 2014-03-31 4.2 2014-04-30 3.7 2014-05-31 4.4 2014-06-30 5.8 2014-07-31 5.6 2014-08-31 5.4 2014-09-30 5.8 2014-10-31 6 2014-11-30 7.3 2014-12-31 6.6 2015-01-31 6.6 2015-02-28 6.8 2015-03-31 7.5