Quarter	Percent Change from Year Ago
1981-01-01	6.4000000000000004
1981-04-01	5.9000000000000004
1981-07-01	5.5000000000000000
1981-10-01	5.4000000000000004
1982-01-01	6.2000000000000002
1982-04-01	7.5999999999999996
1982-07-01	8.8000000000000007
1982-10-01	9.9000000000000004
1983-01-01	9.9000000000000004
1983-04-01	10.5000000000000000
1983-07-01	9.0000000000000000
1983-10-01	10.1999999999999990
1984-01-01	7.9000000000000004
1984-04-01	6.5000000000000000
1984-07-01	8.5000000000000000
1984-10-01	8.5999999999999996
1985-01-01	9.1999999999999993
1985-04-01	8.3000000000000007
1985-07-01	7.5999999999999996
1985-10-01	7.0000000000000000
1986-01-01	9.0000000000000000
1986-04-01	9.0000000000000000
1986-07-01	9.1999999999999993
1986-10-01	8.5999999999999996
1987-01-01	7.0000000000000000
1987-04-01	8.9000000000000004
1987-07-01	7.9000000000000004
1987-10-01	7.2000000000000002
1988-01-01	6.5999999999999996
1988-04-01	6.9000000000000004
1988-07-01	6.5000000000000000
1988-10-01	8.5000000000000000
1989-01-01	8.3000000000000007
1989-04-01	7.0000000000000000
1989-07-01	8.0999999999999996
1989-10-01	9.6999999999999993
1990-01-01	6.9000000000000004
1990-04-01	7.0000000000000000
1990-07-01	7.7000000000000002
1990-10-01	6.5000000000000000
1991-01-01	6.0000000000000000
1991-04-01	5.7000000000000002
1991-07-01	3.2000000000000002
1991-10-01	3.3999999999999999
1992-01-01	3.3999999999999999
1992-04-01	2.7999999999999998
1992-07-01	3.7999999999999998
1992-10-01	3.7000000000000002
1993-01-01	4.5999999999999996
1993-04-01	4.9000000000000004
1993-07-01	4.9000000000000004
1993-10-01	6.0000000000000000
1994-01-01	9.0999999999999996
1994-04-01	8.1999999999999993
1994-07-01	7.0000000000000000
1994-10-01	4.2999999999999998
1995-01-01	2.0000000000000000
1995-04-01	2.2999999999999998
1995-07-01	4.0000000000000000
1995-10-01	6.2999999999999998
1996-01-01	6.2999999999999998
1996-04-01	7.0000000000000000
1996-07-01	7.2000000000000002
1996-10-01	7.4000000000000004
1997-01-01	8.5000000000000000
1997-04-01	9.3000000000000007
1997-07-01	8.9000000000000004
1997-10-01	5.7999999999999998
1998-01-01	9.0999999999999996
1998-04-01	9.5999999999999996
1998-07-01	8.0000000000000000
1998-10-01	9.5000000000000000
1999-01-01	12.0000000000000000
1999-04-01	11.8000000000000010
1999-07-01	13.0000000000000000
1999-10-01	10.1000000000000000
2000-01-01	10.1999999999999990
2000-04-01	7.2000000000000002
2000-07-01	6.2999999999999998
2000-10-01	5.7000000000000002
2001-01-01	2.1000000000000001
2001-04-01	4.4000000000000004
2001-07-01	5.7999999999999998
2001-10-01	5.7000000000000002
2002-01-01	6.7999999999999998
2002-04-01	7.5999999999999996
2002-07-01	8.3000000000000007
2002-10-01	9.5999999999999996
2003-01-01	11.4000000000000000
2003-04-01	11.1000000000000000
2003-07-01	11.0000000000000000
2003-10-01	10.1000000000000000
2004-01-01	11.0000000000000000
2004-04-01	9.0999999999999996
2004-07-01	9.5999999999999996
2004-10-01	8.4000000000000004
2005-01-01	9.4000000000000004
2005-04-01	11.0000000000000000
2005-07-01	10.6000000000000000
2005-10-01	11.6999999999999990
2006-01-01	9.5999999999999996
2006-04-01	8.6999999999999993
2006-07-01	7.5999999999999996
2006-10-01	7.9000000000000004
2007-01-01	7.5000000000000000
2007-04-01	6.5000000000000000
2007-07-01	6.5000000000000000
2007-10-01	3.8999999999999999
2008-01-01	3.2000000000000002
2008-04-01	1.8000000000000000
2008-07-01	1.1000000000000001
2008-10-01	3.0000000000000000
2009-01-01	5.9000000000000004
2009-04-01	9.3000000000000007
2009-07-01	12.5000000000000000
2009-10-01	12.4000000000000000
2010-01-01	10.5000000000000000
2010-04-01	8.9000000000000004
2010-07-01	6.2999999999999998
2010-10-01	4.0999999999999996
2011-01-01	3.1000000000000001
2011-04-01	1.3999999999999999
2011-07-01	1.8000000000000000
2011-10-01	2.2000000000000002
2012-01-01	2.8999999999999999
2012-04-01	3.6000000000000001
2012-07-01	5.5000000000000000
2012-10-01	6.4000000000000004
2013-01-01	7.0000000000000000
2013-04-01	7.4000000000000004
2013-07-01	6.7000000000000002
2013-10-01	5.5000000000000000
2014-01-01	5.7000000000000002
2014-04-01	5.4000000000000004
2014-07-01	6.0999999999999996
2014-10-01	7.5000000000000000