Quarterly Percent
1987-01-01 7.43
1987-04-01 7.14
1987-07-01 7.08
1987-10-01 7.19
1988-01-01 6.98
1988-04-01 6.87
1988-07-01 7.14
1988-10-01 7.27
1989-01-01 7.39
1989-04-01 7.65
1989-07-01 7.72
1989-10-01 8.21
1990-01-01 9.15
1990-04-01 9.22
1990-07-01 9.22
1990-10-01 9.61
1991-01-01 9.31
1991-04-01 8.85
1991-07-01 8.88
1991-10-01 8.95
1992-01-01 8.86
1992-04-01 8.80
1992-07-01 8.97
1992-10-01 8.71
1993-01-01 7.91
1993-04-01 7.63
1993-07-01 7.43
1993-10-01 7.36
1994-01-01 6.92
1994-04-01 7.19
1994-07-01 7.88
1994-10-01 8.17
1995-01-01 8.05
1995-04-01 7.62
1995-07-01 7.21
1995-10-01 6.89
1996-01-01 6.82
1996-04-01 6.67
1996-07-01 6.45
1996-10-01 6.04
1997-01-01 5.81
1997-04-01 5.83
1997-07-01 5.72
1997-10-01 5.70
1998-01-01 5.32
1998-04-01 5.19
1998-07-01 5.04
1998-10-01 4.72
1999-01-01 4.23
1999-04-01 4.40
1999-07-01 5.23
1999-10-01 5.46
2000-01-01 5.89
2000-04-01 5.87
2000-07-01 5.99
2000-10-01 5.90
2001-01-01 5.49
2001-04-01 5.55
2001-07-01 5.39
2001-10-01 5.07
2002-01-01 5.45
2002-04-01 5.55
2002-07-01 5.17
2002-10-01 4.99
2003-01-01 4.48
2003-04-01 4.10
2003-07-01 4.30
2003-10-01 4.47
2004-01-01 4.26
2004-04-01 4.42
2004-07-01 4.27
2004-10-01 4.00
2005-01-01 3.74
2005-04-01 3.53
2005-07-01 3.35
2005-10-01 3.57
2006-01-01 3.81
2006-04-01 4.24
2006-07-01 4.21
2006-10-01 4.13
2007-01-01 4.40
2007-04-01 4.74
2007-07-01 4.92
2007-10-01 4.99
2008-01-01 5.05
2008-04-01 5.33
2008-07-01 5.66
2008-10-01 5.76
2009-01-01 5.06
2009-04-01 5.01
2009-07-01 4.18
2009-10-01 3.82
2010-01-01 3.72
2010-04-01 3.43
2010-07-01 3.13
2010-10-01 3.47
2011-01-01 4.01
2011-04-01 4.10
2011-07-01 3.81
2011-10-01 3.78
2012-01-01 3.34
2012-04-01 2.74
2012-07-01 2.28
2012-10-01 2.04
2013-01-01 2.06
2013-04-01 1.86
2013-07-01 2.24
2013-10-01 2.17
2014-01-01 1.69