Monthly Percent
1986-12-01 10.99
1987-01-01 11.68
1987-02-01 11.47
1987-03-01 11.23
1987-04-01 11.16
1987-05-01 11.78
1987-06-01 11.78
1987-07-01 11.77
1987-08-01 11.97
1987-09-01 12.02
1987-10-01 12.00
1987-11-01 11.59
1987-12-01 11.71
1988-01-01 11.66
1988-02-01 11.29
1988-03-01 11.33
1988-04-01 11.39
1988-05-01 11.53
1988-06-01 11.29
1988-07-01 11.36
1988-08-01 11.56
1988-09-01 11.47
1988-10-01 11.36
1988-11-01 11.05
1988-12-01 10.93
1989-01-01 10.48
1989-02-01 10.52
1989-03-01 10.92
1989-04-01 11.04
1989-05-01 11.05
1989-06-01 11.12
1989-07-01 11.20
1989-08-01 11.01
1989-09-01 10.98
1989-10-01 11.17
1989-11-01 12.12
1989-12-01 12.55
1990-01-01 12.87
1990-02-01 13.70
1990-03-01 13.75
1990-04-01 13.64
1990-05-01 13.28
1990-06-01 12.89
1990-07-01 12.82
1990-08-01 13.26
1990-09-01 13.35
1990-10-01 13.25
1990-11-01 12.80
1990-12-01 12.30
1991-01-01 11.85
1991-02-01 11.15
1991-03-01 11.33
1991-04-01 11.34
1991-05-01 10.77
1991-06-01 10.60
1991-07-01 10.61
1991-08-01 10.62
1991-09-01 10.18
1991-10-01 10.00
1991-11-01 9.84
1991-12-01 10.00
1992-01-01 9.53
1992-02-01 9.43
1992-03-01 9.39
1992-04-01 9.50
1992-05-01 9.47
1992-06-01 9.59
1992-07-01 9.80
1992-08-01 10.60
1992-09-01 11.24
1992-10-01 11.06
1992-11-01 10.68
1992-12-01 9.91
1993-01-01 10.14
1993-02-01 9.80
1993-03-01 9.37
1993-04-01 9.41
1993-05-01 9.09
1993-06-01 8.68
1993-07-01 8.24
1993-08-01 7.63
1993-09-01 7.79
1993-10-01 7.56
1993-11-01 7.49
1993-12-01 7.27
1994-01-01 6.84
1994-02-01 6.94
1994-03-01 7.65
1994-04-01 8.40
1994-05-01 8.69
1994-06-01 9.78
1994-07-01 10.65
1994-08-01 11.20
1994-09-01 11.24
1994-10-01 10.95
1994-11-01 10.92
1994-12-01 10.68
1995-01-01 11.00
1995-02-01 10.71
1995-03-01 11.18
1995-04-01 11.42
1995-05-01 10.74
1995-06-01 10.58
1995-07-01 10.55
1995-08-01 10.22
1995-09-01 9.64
1995-10-01 9.30
1995-11-01 8.99
1995-12-01 8.60
1996-01-01 8.23
1996-02-01 8.75
1996-03-01 8.76
1996-04-01 8.33
1996-05-01 8.44
1996-06-01 8.34
1996-07-01 8.26
1996-08-01 8.11
1996-09-01 7.80
1996-10-01 7.19
1996-11-01 7.26
1996-12-01 6.85
1997-01-01 6.74
1997-02-01 6.68
1997-03-01 7.10
1997-04-01 7.24
1997-05-01 6.99
1997-06-01 6.77
1997-07-01 6.42
1997-08-01 6.50
1997-09-01 6.38
1997-10-01 6.22
1997-11-01 6.30
1997-12-01 6.03
1998-01-01 5.65
1998-02-01 5.53
1998-03-01 5.35
1998-04-01 5.21
1998-05-01 5.20
1998-06-01 4.97
1998-07-01 4.88
1998-08-01 4.80
1998-09-01 4.76
1998-10-01 4.72
1998-11-01 4.55
1998-12-01 4.25
1999-01-01 4.02
1999-02-01 4.18
1999-03-01 4.44
1999-04-01 4.24
1999-05-01 4.50
1999-06-01 4.87
1999-07-01 5.26
1999-08-01 5.49
1999-09-01 5.69
1999-10-01 5.92
1999-11-01 5.56
1999-12-01 5.59
2000-01-01 5.95
2000-02-01 5.90
2000-03-01 5.51
2000-04-01 5.42
2000-05-01 5.34
2000-06-01 5.13
2000-07-01 5.31
2000-08-01 5.31
2000-09-01 5.26
2000-10-01 5.23
2000-11-01 5.13
2000-12-01 4.92
2001-01-01 4.89
2001-02-01 4.86
2001-03-01 4.75
2001-04-01 4.93
2001-05-01 5.27
2001-06-01 5.38
2001-07-01 5.42
2001-08-01 5.16
2001-09-01 5.26
2001-10-01 5.17
2001-11-01 4.96
2001-12-01 5.24
2002-01-01 5.27
2002-02-01 5.36
2002-03-01 5.63
2002-04-01 5.69
2002-05-01 5.69
2002-06-01 5.52
2002-07-01 5.37
2002-08-01 5.13
2002-09-01 4.97
2002-10-01 5.07
2002-11-01 5.05
2002-12-01 4.89
2003-01-01 4.70
2003-02-01 4.47
2003-03-01 4.57
2003-04-01 4.72
2003-05-01 4.37
2003-06-01 4.20
2003-07-01 4.51
2003-08-01 4.70
2003-09-01 4.73
2003-10-01 4.85
2003-11-01 4.98
2003-12-01 4.86
2004-01-01 4.65
2004-02-01 4.55
2004-03-01 4.31
2004-04-01 4.55
2004-05-01 4.68
2004-06-01 4.72
2004-07-01 4.57
2004-08-01 4.42
2004-09-01 4.37
2004-10-01 4.25
2004-11-01 4.13
2004-12-01 3.90
2005-01-01 3.84
2005-02-01 3.76
2005-03-01 3.86
2005-04-01 3.58
2005-05-01 3.34
2005-06-01 3.11
2005-07-01 3.06
2005-08-01 3.14
2005-09-01 2.98
2005-10-01 3.17
2005-11-01 3.38
2005-12-01 3.37
2006-01-01 3.32
2006-02-01 3.42
2006-03-01 3.55
2006-04-01 3.84
2006-05-01 3.89
2006-06-01 3.93
2006-07-01 3.96
2006-08-01 3.84
2006-09-01 3.70
2006-10-01 3.73
2006-11-01 3.62
2006-12-01 3.65
2007-01-01 3.90
2007-02-01 3.93
2007-03-01 3.79
2007-04-01 4.04
2007-05-01 4.15
2007-06-01 4.44
2007-07-01 4.45
2007-08-01 4.25
2007-09-01 4.22
2007-10-01 4.31
2007-11-01 4.22
2007-12-01 4.31
2008-01-01 4.08
2008-02-01 4.02
2008-03-01 3.92
2008-04-01 4.06
2008-05-01 4.18
2008-06-01 4.43
2008-07-01 4.37
2008-08-01 4.11
2008-09-01 3.90
2008-10-01 3.57
2008-11-01 3.34
2008-12-01 2.67
2009-01-01 2.80
2009-02-01 2.93
2009-03-01 2.94
2009-04-01 3.18
2009-05-01 3.57
2009-06-01 3.62
2009-07-01 3.37
2009-08-01 3.45
2009-09-01 3.38
2009-10-01 3.25
2009-11-01 3.27
2009-12-01 3.24
2010-01-01 3.37
2010-02-01 3.28
2010-03-01 3.20
2010-04-01 3.14
2010-05-01 2.73
2010-06-01 2.61
2010-07-01 2.70
2010-08-01 2.45
2010-09-01 2.53
2010-10-01 2.64
2010-11-01 2.86
2010-12-01 3.21
2011-01-01 3.28
2011-02-01 3.41
2011-03-01 3.35
2011-04-01 3.30
2011-05-01 3.01
2011-06-01 2.89
2011-07-01 2.75
2011-08-01 2.17
2011-09-01 1.83
2011-10-01 1.90
2011-11-01 1.69
2011-12-01 1.68
2012-01-01 1.70
2012-02-01 1.89
2012-03-01 1.95
2012-04-01 1.82
2012-05-01 1.51
2012-06-01 1.45
2012-07-01 1.33
2012-08-01 1.44
2012-09-01 1.51
2012-10-01 1.54
2012-11-01 1.46
2012-12-01 1.51
2013-01-01 1.80
2013-02-01 2.00
2013-03-01 1.92
2013-04-01 1.66
2013-05-01 1.79
2013-06-01 2.05
2013-07-01 2.16
2013-08-01 2.34
2013-09-01 2.60
2013-10-01 2.44
2013-11-01 2.30
2013-12-01 2.39
2014-01-01 2.37
2014-02-01 2.23
2014-03-01 2.16
2014-04-01 2.06
2014-05-01 1.88
2014-06-01 1.80
2014-07-01 1.60
2014-08-01 1.58
2014-09-01 1.51
2014-10-01 1.30
2014-11-01 1.14
2014-12-01 1.01
2015-01-01 0.78
2015-02-01 0.62
2015-03-01 0.58
2015-04-01 0.34
2015-05-01 0.75
2015-06-01 0.99
2015-07-01 0.81
2015-08-01 0.66
2015-09-01 0.71
2015-10-01 0.66
2015-11-01 0.80
2015-12-01 0.93
2016-01-01 0.77
2016-02-01 0.77
2016-03-01 0.82
2016-04-01 0.81
2016-05-01 0.77
2016-06-01 0.52
2016-07-01 0.17
2016-08-01 0.10
2016-09-01 0.22
2016-10-01 0.24
2016-11-01 0.43
2016-12-01 0.61
2017-01-01 0.65
2017-02-01 0.66
2017-03-01 0.69
2017-04-01 0.57
2017-05-01 0.56
2017-06-01 0.46
2017-07-01 0.66
2017-08-01 0.63
2017-09-01 0.62
2017-10-01 0.88
2017-11-01 0.76
2017-12-01 0.72
2018-01-01 0.85
2018-02-01 0.91
2018-03-01 0.77
2018-04-01 0.71
2018-05-01 0.66
2018-06-01 0.55
2018-07-01 0.51
2018-08-01 0.52
2018-09-01 0.60
2018-10-01 0.67