Monthly
1979-01-31 9.63
1979-02-28 9.83
1979-03-31 9.77
1979-04-30 9.97
1979-05-31 10.12
1979-06-30 9.24
1979-07-31 9.59
1979-08-31 10.12
1979-09-30 10.69
1979-10-31 12.61
1979-11-30 11.77
1979-12-31 12.48
1980-01-31 12.68
1980-02-29 14.19
1980-03-31 15.59
1980-04-30 11.18
1980-05-31 8.17
1980-06-30 7.98
1980-07-31 8.67
1980-08-31 10.71
1980-09-30 11.71
1980-10-31 13.15
1980-11-30 14.88
1980-12-31 14.81
1981-01-31 15.7
1981-02-28 14.85
1981-03-31 13.19
1981-04-30 15.12
1981-05-31 16.16
1981-06-30 14.63
1981-07-31 15.63
1981-08-31 16.49
1981-09-30 15.26
1981-10-31 14.57
1981-11-30 11.2
1981-12-31 12.27
1982-01-31 13.5
1982-02-28 13.52
1982-03-31 14.86
1982-04-30 13.53
1982-05-31 12.64
1982-06-30 14.05
1982-07-31 11.32
1982-08-31 8.66
1982-09-30 8.08
1982-10-31 8.37
1982-11-30 8.81
1982-12-31 8.52
1983-01-31 8.58
1983-02-28 8.4
1983-03-31 9.27
1983-04-30 8.67
1983-05-31 9.22
1983-06-30 9.52
1983-07-31 9.64
1983-08-31 10.06
1983-09-30 9.43
1983-10-31 9.23
1983-11-30 9.55
1983-12-31 9.66
1984-01-31 9.56
1984-02-29 9.51
1984-03-31 10.1
1984-04-30 10.08
1984-05-31 10.09
1984-06-30 10.23
1984-07-31 10.74
1984-08-31 11.1
1984-09-30 10.6
1984-10-31 9.53
1984-11-30 8.73
1984-12-31 8
1985-01-31 8.12
1985-02-28 8.8
1985-03-31 8.39
1985-04-30 8.11
1985-05-31 7.43
1985-06-30 7.12
1985-07-31 7.51
1985-08-31 7.28
1985-09-30 7.16
1985-10-31 7.41
1985-11-30 7.46
1985-12-31 7.11
1986-01-31 7.36
1986-02-28 7.26
1986-03-31 6.59
1986-04-30 6.28
1986-05-31 6.52
1986-06-30 6.14
1986-07-31 6.06
1986-08-31 5.44
1986-09-30 5.44
1986-10-31 5.31
1986-11-30 5.53
1986-12-31 5.85
1987-01-31 5.67
1987-02-28 5.61
1987-03-31 5.8
1987-04-30 5.81
1987-05-31 5.78
1987-06-30 5.83
1987-07-31 6.24
1987-08-31 6.47
1987-09-30 6.88
1987-10-31 5.19
1987-11-30 5.79
1987-12-31 5.91
1988-01-31 5.84
1988-02-29 5.75
1988-03-31 5.82
1988-04-30 6.17
1988-05-31 6.63
1988-06-30 6.77
1988-07-31 7.18
1988-08-31 7.53
1988-09-30 7.49
1988-10-31 7.6
1988-11-30 8.24
1988-12-31 8.38
1989-01-31 8.55
1989-02-28 8.99
1989-03-31 9.25
1989-04-30 8.65
1989-05-31 8.9
1989-06-30 8.24
1989-07-31 8.1
1989-08-31 8.12
1989-09-30 8.14
1989-10-31 7.96
1989-11-30 7.9
1989-12-31 7.92
1990-01-31 8
1990-02-28 7.97
1990-03-31 8.09
1990-04-30 8.02
1990-05-31 7.99
1990-06-30 7.99
1990-07-31 7.75
1990-08-31 7.67
1990-09-30 7.43
1990-10-31 7.34
1990-11-30 7.25
1990-12-31 6.62
1991-01-31 6.36
1991-02-28 6.09
1991-03-31 5.84
1991-04-30 5.58
1991-05-31 5.44
1991-06-30 5.54
1991-07-31 5.54
1991-08-31 5.29
1991-09-30 5.13
1991-10-31 4.82
1991-11-30 4.38
1991-12-31 3.86
1992-01-31 3.84
1992-02-29 3.92
1992-03-31 3.98
1992-04-30 3.71
1992-05-31 3.67
1992-06-30 3.56
1992-07-31 3.18
1992-08-31 3.16
1992-09-30 2.73
1992-10-31 2.94
1992-11-30 3.24
1992-12-31 3.06
1993-01-31 2.96
1993-02-28 2.94
1993-03-31 2.9
1993-04-30 2.89
1993-05-31 3.05
1993-06-30 3.03
1993-07-31 3.02
1993-08-31 3.01
1993-09-30 2.92
1993-10-31 3.03
1993-11-30 3.11
1993-12-31 2.98
1994-01-31 2.95
1994-02-28 3.37
1994-03-31 3.47
1994-04-30 3.87
1994-05-31 4.17
1994-06-30 4.14
1994-07-31 4.41
1994-08-31 4.58
1994-09-30 4.57
1994-10-31 5
1994-11-30 5.52
1994-12-31 5.46
1995-01-31 5.78
1995-02-28 5.901
1995-03-31 5.858
1995-04-30 5.847
1995-05-31 5.806
1995-06-30 5.638
1995-07-31 5.574
1995-08-31 5.441
1995-09-30 5.419
1995-10-31 5.451
1995-11-30 5.472
1995-12-31 4.961
1996-01-31 5.107
1996-02-29 5.002
1996-03-31 5.166
1996-04-30 5.12
1996-05-31 5.17
1996-06-30 5.18
1996-07-31 5.32
1996-08-31 5.21
1996-09-30 5.02
1996-10-31 5.13
1996-11-30 5.13
1996-12-31 5.15
1997-01-31 5.16
1997-02-28 5.19
1997-03-31 5.32
1997-04-30 5.24
1997-05-31 5
1997-06-30 5.12
1997-07-31 5.22
1997-08-31 5.21
1997-09-30 5
1997-10-31 5.13
1997-11-30 5.21
1997-12-31 5.36
1998-01-31 5.18
1998-02-28 5.31
1998-03-31 5.2
1998-04-30 5.05
1998-05-31 5.03
1998-06-30 4.99
1998-07-31 5.05
1998-08-31 4.95
1998-09-30 4.38
1998-10-31 4.3
1998-11-30 4.52
1998-12-31 4.53
1999-01-31 4.47
1999-02-28 4.62
1999-03-31 4.47
1999-04-30 4.49
1999-05-31 4.63
1999-06-30 4.83
1999-07-31 4.71
1999-08-31 4.98
1999-09-30 4.82
1999-10-31 5.09
1999-11-30 5.34
1999-12-31 5.38
2000-01-31 5.62
2000-02-29 5.83
2000-03-31 5.87
2000-04-30 5.73
2000-05-31 5.85
2000-06-30 5.82
2000-07-31 6.03
2000-08-31 6.14
2000-09-30 6.05
2000-10-31 6.19
2000-11-30 6.03
2000-12-31 5.73
2001-01-31 4.86
2001-02-28 4.73
2001-03-31 4.2
2001-04-30 3.86
2001-05-31 3.55
2001-06-30 3.57
2001-07-31 3.46
2001-08-31 3.29
2001-09-30 2.35
2001-10-31 2.01
2001-11-30 1.75
2001-12-31 1.71
2002-01-31 1.73
2002-02-28 1.76
2002-03-31 1.76
2002-04-30 1.74
2002-05-31 1.71
2002-06-30 1.67
2002-07-31 1.68
2002-08-31 1.66
2002-09-30 1.54
2002-10-31 1.42
2002-11-30 1.21
2002-12-31 1.2
2003-01-31 1.16
2003-02-28 1.18
2003-03-31 1.12
2003-04-30 1.11
2003-05-31 1.09
2003-06-30 0.89
2003-07-31 0.94
2003-08-31 0.97
2003-09-30 0.94
2003-10-31 0.94
2003-11-30 0.92
2003-12-31 0.93
2004-01-31 0.9
2004-02-29 0.94
2004-03-31 0.93
2004-04-30 0.96
2004-05-31 1.06
2004-06-30 1.31
2004-07-31 1.42
2004-08-31 1.57
2004-09-30 1.68
2004-10-31 1.87
2004-11-30 2.2
2004-12-31 2.18
2005-01-31 2.48
2005-02-28 2.72
2005-03-31 2.73
2005-04-30 2.84
2005-05-31 2.93
2005-06-30 3.06
2005-07-31 3.35
2005-08-31 3.44
2005-09-30 3.47
2005-10-31 3.89
2005-11-30 3.86
2005-12-31 3.92
2006-01-31 4.37
2006-02-28 4.51
2006-03-31 4.52
2006-04-30 4.66
2006-05-31 4.74
2006-06-30 4.88
2006-07-31 4.97
2006-08-31 4.92
2006-09-30 4.77
2006-10-31 4.95
2006-11-30 4.9
2006-12-31 4.89
2007-01-31 4.99
2007-02-28 5.01
2007-03-31 4.91
2007-04-30 4.79
2007-05-31 4.6
2007-06-30 4.68
2007-07-31 4.82
2007-08-31 3.91
2007-09-30 3.62
2007-10-31 3.84
2007-11-30 2.92
2007-12-31 3.29
2008-01-31 1.92
2008-02-29 1.81
2008-03-31 1.36
2008-04-30 1.44
2008-05-31 1.85
2008-06-30 1.87
2008-07-31 1.67
2008-08-31 1.69
2008-09-30 0.9
2008-10-31 0.44
2008-11-30 0.01
2008-12-31 0.11
2009-01-31 0.24
2009-02-28 0.26
2009-03-31 0.13
2009-04-30 0.14
2009-05-31 0.14
2009-06-30 0.2
2009-07-31 0.18
2009-08-31 0.15
2009-09-30 0.14
2009-10-31 0.07
2009-11-30 0.06
2009-12-31 0.06
2010-01-31 0.08
2010-02-28 0.13
2010-03-31 0.16
2010-04-30 0.16
2010-05-31 0.17
2010-06-30 0.18
2010-07-31 0.15
2010-08-31 0.14
2010-09-30 0.16
2010-10-31 0.12
2010-11-30 0.17
2010-12-31 0.15
2011-01-31 0.15
2011-02-28 0.15
2011-03-31 0.09
2011-04-30 0.04
2011-05-31 0.06
2011-06-30 0.03
2011-07-31 0.1
2011-08-31 0.02
2011-09-30 0.02
2011-10-31 0.01
2011-11-30 0.01
2011-12-31 0.02
2012-01-31 0.06
2012-02-29 0.08
2012-03-31 0.07
2012-04-30 0.09
2012-05-31 0.07
2012-06-30 0.09
2012-07-31 0.11
2012-08-31 0.09
2012-09-30 0.1
2012-10-31 0.11
2012-11-30 0.08
2012-12-31 0.05
2013-01-31 0.07
2013-02-28 0.11
2013-03-31 0.07
2013-04-30 0.05
2013-05-31 0.04
2013-06-30 0.04
2013-07-31 0.04
2013-08-31 0.02
2013-09-30 0.02
2013-10-31 0.04
2013-11-30 0.06
2013-12-31 0.07
2014-01-31 0.02
2014-02-28 0.05
2014-03-31 0.05
2014-04-30 0.03
2014-05-31 0.04
2014-06-30 0.03
2014-07-31 0.03
2014-08-31 0.03
2014-09-30 0.02
2014-10-31 0.01
2014-11-30 0.02
2014-12-31 0.04
2015-01-31 0.03
2015-02-28 0.02
2015-03-31 0.03
2015-04-30 0.01
2015-05-31 0.01
2015-06-30 0.01
2015-07-31 0.08
2015-08-31 0.06
2015-09-30 -0.01
2015-10-31 0.08
2015-11-30 0.22
2015-12-31 0.16
2016-01-31 0.32
2016-02-29 0.33
2016-03-31 0.21
2016-04-30 0.22
2016-05-31 0.34
2016-06-30 0.26
2016-07-31 0.27
2016-08-31 0.33
2016-09-30 0.28
2016-10-31 0.34
2016-11-30 0.48
2016-12-31 0.5
2017-01-31 0.52
2017-02-28 0.53
2017-03-31 0.75
2017-04-30 0.79
2017-05-31 0.96
2017-06-30 1.01
2017-07-31 1.05
2017-08-31 0.99
2017-09-30 1.04
2017-10-31 1.13
2017-11-30 1.25
2017-12-31 1.37
2018-01-31 1.44
2018-02-28 1.63
2018-03-31 1.7
2018-04-30 1.84
2018-05-31 1.89
2018-06-30 1.89
2018-07-31 1.99
2018-08-31 2.07
2018-09-30 2.15
2018-10-31 2.29
2018-11-30 2.32
2018-12-31 2.35
2019-01-31 2.37
2019-02-28 2.4
2019-03-31 2.38
2019-04-30 2.38
2019-05-31 2.33
2019-06-30 2.09
2019-07-31 2.04
2019-08-31 1.95
2019-09-30 1.76
2019-10-31 1.59
2019-11-30 1.56
2019-12-31 1.54
2020-01-31 1.54
2020-02-29 1.42