Quarterly Percent
1991-01-01 14.52
1991-04-01 19.22
1991-07-01 20.65
1991-10-01 17.18
1992-01-01 14.90
1992-04-01 14.92
1992-07-01 14.91
1992-10-01 13.76
1993-01-01 10.95
1993-04-01 13.19
1993-07-01 12.57
1993-10-01 11.65
1994-01-01 12.04
1994-04-01 12.78
1994-07-01 12.69
1994-10-01 14.54
1995-01-01 12.21
1995-04-01 12.84
1995-07-01 11.41
1995-10-01 11.18
1996-01-01 10.33
1996-04-01 12.44
1996-07-01 14.11
1996-10-01 12.50
1997-01-01 12.93
1997-04-01 11.15
1997-07-01 13.11
1997-10-01 20.66
1998-01-01 22.43
1998-04-01 16.43
1998-07-01 8.48
1998-10-01 7.04
1999-01-01 5.02
1999-04-01 4.79
1999-07-01 4.74
1999-10-01 4.79
2000-01-01 5.10
2000-04-01 5.12
2000-07-01 5.13
2000-10-01 5.37
2001-01-01 5.05
2001-04-01 5.03
2001-07-01 4.33
2001-10-01 4.01
2002-01-01 4.01
2002-04-01 4.30
2002-07-01 4.30
2002-10-01 4.31
2003-01-01 4.24
2003-04-01 4.01
2003-07-01 3.74
2003-10-01 3.77
2004-01-01 3.75
2004-04-01 3.76
2004-07-01 3.52
2004-10-01 3.27
2005-01-01 3.24
2005-04-01 3.27
2005-07-01 3.24
2005-10-01 3.70
2006-01-01 3.97
2006-04-01 4.17
2006-07-01 4.47
2006-10-01 4.50
2007-01-01 4.60
2007-04-01 4.54
2007-07-01 4.98
2007-10-01 4.99
2008-01-01 4.97
2008-04-01 4.95
2008-07-01 5.22
2008-10-01 3.27
2009-01-01 1.77
2009-04-01 1.93
2009-07-01 1.99
2009-10-01 2.00
2010-01-01 2.01
2010-04-01 2.00
2010-07-01 2.27
2010-10-01 2.50
2011-01-01 2.92
2011-04-01 3.21
2011-07-01 3.25
2011-10-01 3.26
2012-01-01 3.25
2012-04-01 3.26
2012-07-01 2.99
2012-10-01 2.75
2013-01-01 2.74
2013-04-01 2.49
2013-07-01 2.50
2013-10-01 2.50
2014-01-01 2.48
2014-04-01 2.48
2014-07-01 2.23
2014-10-01 1.99
2015-01-01 1.82
2015-04-01 1.57
2015-07-01 1.48
2015-10-01 1.48
2016-01-01 1.49
2016-04-01 1.28
2016-07-01 1.24
2016-10-01 1.22
2017-01-01 1.23
2017-04-01 1.24
2017-07-01 1.25
2017-10-01 1.51
2018-01-01 1.49
2018-04-01 1.49
2018-07-01 1.54