Month Percent Change from Year Ago 1998-09-01 8.09999999999999960 1998-10-01 8.00000000000000000 1998-11-01 8.69999999999999930 1998-12-01 9.59999999999999960 1999-01-01 15.10000000000000000 1999-02-01 12.90000000000000000 1999-03-01 12.00000000000000000 1999-04-01 11.69999999999999900 1999-05-01 12.40000000000000000 1999-06-01 11.80000000000000100 1999-07-01 14.30000000000000100 1999-08-01 13.10000000000000000 1999-09-01 13.00000000000000000 1999-10-01 13.10000000000000000 1999-11-01 11.90000000000000000 1999-12-01 10.10000000000000000 2000-01-01 9.30000000000000070 2000-02-01 10.80000000000000100 2000-03-01 10.19999999999999900 2000-04-01 11.50000000000000000 2000-05-01 8.80000000000000070 2000-06-01 7.20000000000000020 2000-07-01 7.00000000000000000 2000-08-01 7.20000000000000020 2000-09-01 6.29999999999999980 2000-10-01 5.90000000000000040 2000-11-01 5.09999999999999960 2000-12-01 5.70000000000000020 2001-01-01 1.70000000000000000 2001-02-01 2.20000000000000020 2001-03-01 2.10000000000000010 2001-04-01 1.80000000000000000 2001-05-01 3.29999999999999980 2001-06-01 4.40000000000000040 2001-07-01 3.60000000000000010 2001-08-01 3.60000000000000010 2001-09-01 5.79999999999999980 2001-10-01 5.40000000000000040 2001-11-01 5.90000000000000040 2001-12-01 5.70000000000000020 2002-01-01 7.29999999999999980 2002-02-01 6.79999999999999980 2002-03-01 6.79999999999999980 2002-04-01 7.00000000000000000 2002-05-01 6.90000000000000040 2002-06-01 7.59999999999999960 2002-07-01 7.70000000000000020 2002-08-01 8.30000000000000070 2002-09-01 8.30000000000000070 2002-10-01 8.40000000000000040 2002-11-01 9.50000000000000000 2002-12-01 9.59999999999999960 2003-01-01 8.90000000000000040 2003-02-01 9.80000000000000070 2003-03-01 11.40000000000000000 2003-04-01 10.80000000000000100 2003-05-01 11.69999999999999900 2003-06-01 11.10000000000000000 2003-07-01 11.40000000000000000 2003-08-01 12.10000000000000000 2003-09-01 11.00000000000000000 2003-10-01 11.69999999999999900 2003-11-01 10.90000000000000000 2003-12-01 10.10000000000000000 2004-01-01 11.80000000000000100 2004-02-01 11.40000000000000000 2004-03-01 11.00000000000000000 2004-04-01 10.60000000000000000 2004-05-01 9.69999999999999930 2004-06-01 9.09999999999999960 2004-07-01 10.00000000000000000 2004-08-01 9.00000000000000000 2004-09-01 9.50000000000000000 2004-10-01 9.69999999999999930 2004-11-01 9.59999999999999960 2004-12-01 8.40000000000000040 2005-01-01 10.00000000000000000 2005-02-01 10.10000000000000000 2005-03-01 9.40000000000000040 2005-04-01 9.69999999999999930 2005-05-01 10.00000000000000000 2005-06-01 11.00000000000000000 2005-07-01 11.50000000000000000 2005-08-01 11.30000000000000100 2005-09-01 10.60000000000000000 2005-10-01 11.10000000000000000 2005-11-01 10.10000000000000000 2005-12-01 11.60000000000000000 2006-01-01 10.00000000000000000 2006-02-01 9.69999999999999930 2006-03-01 9.59999999999999960 2006-04-01 10.50000000000000000 2006-05-01 10.00000000000000000 2006-06-01 8.69999999999999930 2006-07-01 7.40000000000000040 2006-08-01 7.40000000000000040 2006-09-01 7.59999999999999960 2006-10-01 6.20000000000000020 2006-11-01 6.70000000000000020 2006-12-01 7.90000000000000040 2007-01-01 6.59999999999999960 2007-02-01 6.50000000000000000 2007-03-01 7.40000000000000040 2007-04-01 5.90000000000000040 2007-05-01 6.00000000000000000 2007-06-01 6.50000000000000000 2007-07-01 6.90000000000000040 2007-08-01 6.20000000000000020 2007-09-01 6.50000000000000000 2007-10-01 6.09999999999999960 2007-11-01 5.90000000000000040 2007-12-01 4.09999999999999960 2008-01-01 4.50000000000000000 2008-02-01 3.39999999999999990 2008-03-01 3.20000000000000020 2008-04-01 2.20000000000000020 2008-05-01 2.39999999999999990 2008-06-01 1.80000000000000000 2008-07-01 0.10000000000000001 2008-08-01 0.90000000000000002 2008-09-01 1.10000000000000010 2008-10-01 3.39999999999999990 2008-11-01 2.89999999999999990 2008-12-01 3.00000000000000000