Monthly Percent
1978-01-01 10.10
1978-02-01 9.85
1978-03-01 9.69
1978-04-01 9.64
1978-05-01 9.59
1978-06-01 9.80
1978-07-01 10.15
1978-08-01 10.54
1978-09-01 10.84
1978-10-01 11.32
1978-11-01 12.42
1978-12-01 12.75
1979-01-01 13.44
1979-02-01 13.79
1979-03-01 13.97
1979-04-01 14.07
1979-05-01 14.34
1979-06-01 14.49
1979-07-01 14.93
1979-08-01 15.37
1979-09-01 15.61
1979-10-01 15.98
1979-11-01 16.84
1979-12-01 17.99
1980-01-01 18.78
1980-02-01 19.46
1980-03-01 21.52
1980-04-01 22.44
1980-05-01 22.43
1980-06-01 21.63
1980-07-01 20.97
1980-08-01 21.54
1980-09-01 23.47
1980-10-01 24.82
1980-11-01 25.94
1980-12-01 27.94
1981-01-01 28.94
1981-02-01 28.82
1981-03-01 28.63
1981-04-01 28.40
1981-05-01 28.12
1981-06-01 28.36
1981-07-01 30.78
1981-08-01 33.65
1981-09-01 33.93
1981-10-01 33.82
1981-11-01 33.40
1981-12-01 33.34
1982-01-01 34.20
1982-02-01 36.03
1982-03-01 35.28
1982-04-01 37.69
1982-05-01 42.83
1982-06-01 50.59
1982-07-01 53.07
1982-08-01 55.86
1982-09-01 50.67
1982-10-01 43.01
1982-11-01 51.68
1982-12-01 57.86
1983-01-01 59.86
1983-02-01 61.49
1983-03-01 64.81
1983-04-01 63.05
1983-05-01 63.40
1983-06-01 62.68
1983-07-01 61.16
1983-08-01 57.97
1983-09-01 56.30
1983-10-01 54.72
1983-11-01 54.06
1983-12-01 53.95
1984-01-01 53.21
1984-02-01 50.92
1984-03-01 46.20
1984-04-01 46.93
1984-05-01 50.40
1984-06-01 51.16
1984-07-01 51.15
1984-08-01 50.73
1984-09-01 49.92
1984-10-01 47.97
1984-11-01 47.94
1984-12-01 49.32
1985-01-01 48.33
1985-02-01 49.66
1985-03-01 57.58
1985-04-01 59.30
1985-05-01 59.95
1985-06-01 64.67
1985-07-01 70.91
1985-08-01 73.91
1985-09-01 69.48
1985-10-01 66.60
1985-11-01 69.10
1985-12-01 74.80
1986-01-01 75.30
1986-02-01 76.48
1986-03-01 79.38
1986-04-01 80.86
1986-05-01 81.01
1986-06-01 85.88
1986-07-01 90.50
1986-08-01 0.00
1986-09-01 0.00
1986-10-01 108.08
1986-11-01 104.15
1986-12-01 105.48
1987-01-01 104.96
1987-02-01 104.97
1987-03-01 101.81
1987-04-01 99.55
1987-05-01 98.44
1987-06-01 98.37
1987-07-01 96.14
1987-08-01 95.90
1987-09-01 95.43
1987-10-01 96.46
1987-11-01 110.82
1987-12-01 131.10
1988-01-01 157.63
1988-02-01 153.92
1988-03-01 77.77
1988-04-01 53.82
1988-05-01 46.24
1988-06-01 33.10
1988-07-01 32.45
1988-08-01 32.45
1988-09-01 32.45
1988-10-01 32.45
1988-11-01 0.00
1988-12-01 51.47
1989-01-01 50.66
1989-02-01 49.40
1989-03-01 48.81
1989-04-01 51.55
1989-05-01 53.83
1989-06-01 54.99
1989-07-01 36.42
1989-08-01 36.43
1989-09-01 35.73
1989-10-01 39.18
1989-11-01 40.07
1989-12-01 40.19
1990-01-01 40.25
1990-02-01 43.03
1990-03-01 45.16
1990-04-01 44.32
1990-05-01 38.00
1990-06-01 33.27
1990-07-01 31.76
1990-08-01 30.54
1990-09-01 31.54
1990-10-01 30.34
1990-11-01 26.29
1990-12-01 25.84
1991-01-01 23.93
1991-02-01 23.33
1991-03-01 22.51
1991-04-01 21.43
1991-05-01 20.15
1991-06-01 18.53
1991-07-01 18.64
1991-08-01 17.68
1991-09-01 18.72
1991-10-01 18.38
1991-11-01 17.24
1991-12-01 17.33
1992-01-01 15.84
1992-02-01 15.13
1992-03-01 11.73
1992-04-01 11.86
1992-05-01 13.10
1992-06-01 14.84
1992-07-01 16.99
1992-08-01 17.29
1992-09-01 18.63
1992-10-01 19.49
1992-11-01 18.23
1992-12-01 17.53
1993-01-01 18.30
1993-02-01 18.75
1993-03-01 17.98
1993-04-01 16.74
1993-05-01 16.34
1993-06-01 15.95
1993-07-01 14.73
1993-08-01 14.10
1993-09-01 14.12
1993-10-01 13.55
1993-11-01 13.72
1993-12-01 11.71
1994-01-01 10.75
1994-02-01 9.80
1994-03-01 10.31
1994-04-01 15.92
1994-05-01 17.44
1994-06-01 16.74
1994-07-01 17.38
1994-08-01 14.76
1994-09-01 14.15
1994-10-01 13.98
1994-11-01 14.54
1994-12-01 19.62
1995-01-01 39.23
1995-02-01 41.65
1995-03-01 71.20
1995-04-01 71.50
1995-05-01 54.71
1995-06-01 47.31
1995-07-01 39.72
1995-08-01 35.88
1995-09-01 34.33
1995-10-01 41.20
1995-11-01 54.19
1995-12-01 48.01
1996-01-01 41.57
1996-02-01 40.66
1996-03-01 43.05
1996-04-01 37.15
1996-05-01 31.07
1996-06-01 29.64
1996-07-01 31.66
1996-08-01 29.16
1996-09-01 27.79
1996-10-01 27.68
1996-11-01 28.94
1996-12-01 26.51
1997-01-01 24.60
1997-02-01 21.96
1997-03-01 22.32
1997-04-01 22.37
1997-05-01 20.59
1997-06-01 21.40
1997-07-01 19.40
1997-08-01 20.15
1997-09-01 20.51
1997-10-01 19.91
1997-11-01 22.01
1997-12-01 19.88
1998-01-01 19.37
1998-02-01 19.63
1998-03-01 20.76
1998-04-01 19.47
1998-05-01 18.85
1998-06-01 20.99
1998-07-01 21.82
1998-08-01 25.22
1998-09-01 41.90
1998-10-01 37.53
1998-11-01 34.30
1998-12-01 34.35
1999-01-01 32.27
1999-02-01 28.72
1999-03-01 23.86
1999-04-01 21.05
1999-05-01 21.02
1999-06-01 21.35
1999-07-01 20.78
1999-08-01 21.49
1999-09-01 21.34
1999-10-01 20.30
1999-11-01 18.68
1999-12-01 17.65
2000-01-01 17.43
2000-02-01 16.44
2000-03-01 14.46
2000-04-01 14.37
2000-05-01 15.58
2000-06-01 16.61
2000-07-01 14.62
2000-08-01 15.71
2000-09-01 16.15
2000-10-01 17.06
2000-11-01 18.01
2000-12-01 17.41
2001-01-01 18.50
2001-02-01 18.07
2001-03-01 16.47
2001-04-01 15.40
2001-05-01 12.61
2001-06-01 10.27
2001-07-01 10.25
2001-08-01 8.54
2001-09-01 10.88
2001-10-01 9.68
2001-11-01 8.69
2001-12-01 7.53
2002-01-01 7.35
2002-02-01 8.17
2002-03-01 7.31
2002-04-01 6.16
2002-05-01 6.69
2002-06-01 7.49
2002-07-01 7.88
2002-08-01 7.07
2002-09-01 7.82
2002-10-01 8.23
2002-11-01 7.83
2002-12-01 7.27
2003-01-01 8.69
2003-02-01 8.86
2003-03-01 9.12
2003-04-01 8.00
2003-05-01 5.75
2003-06-01 5.37
2003-07-01 5.27
2003-08-01 5.11
2003-09-01 5.20
2003-10-01 5.38
2003-11-01 5.23
2003-12-01 6.18
2004-01-01 5.11
2004-02-01 5.63
2004-03-01 6.21
2004-04-01 5.96
2004-05-01 7.08
2004-06-01 7.26
2004-07-01 7.30
2004-08-01 7.50
2004-09-01 7.75
2004-10-01 8.11
2004-11-01 8.58
2004-12-01 8.72
2005-01-01 8.74
2005-02-01 9.31
2005-03-01 9.74
2005-04-01 10.00
2005-05-01 9.92
2005-06-01 9.76
2005-07-01 9.74
2005-08-01 9.69
2005-09-01 9.14
2005-10-01 8.95
2005-11-01 8.76
2005-12-01 8.20
2006-01-01 7.80
2006-02-01 7.57
2006-03-01 7.38
2006-04-01 7.28
2006-05-01 7.12
2006-06-01 7.33
2006-07-01 7.18
2006-08-01 7.17
2006-09-01 7.18
2006-10-01 7.21
2006-11-01 7.16
2006-12-01 7.16
2007-01-01 7.19
2007-02-01 7.19
2007-03-01 7.21
2007-04-01 7.15
2007-05-01 7.41
2007-06-01 7.38
2007-07-01 7.34
2007-08-01 7.38
2007-09-01 7.36
2007-10-01 7.43
2007-11-01 7.60
2007-12-01 7.60
2008-01-01 7.58
2008-02-01 7.51
2008-03-01 7.47
2008-04-01 7.54
2008-05-01 7.59
2008-06-01 7.79
2008-07-01 8.21
2008-08-01 8.35
2008-09-01 8.32
2008-10-01 8.13
2008-11-01 7.96
2008-12-01 8.20
2009-01-01 7.66
2009-02-01 7.32
2009-03-01 7.22
2009-04-01 5.99
2009-05-01 5.24
2009-06-01 5.03
2009-07-01 4.69
2009-08-01 4.59
2009-09-01 4.60
2009-10-01 4.64
2009-11-01 4.61
2009-12-01 4.60
2010-01-01 4.62
2010-02-01 4.64
2010-03-01 4.64
2010-04-01 4.63
2010-05-01 4.64
2010-06-01 4.66
2010-07-01 4.64
2010-08-01 4.64
2010-09-01 4.61
2010-10-01 4.39
2010-11-01 4.25
2010-12-01 4.53
2011-01-01 4.44
2011-02-01 4.29
2011-03-01 4.32
2011-04-01 4.39
2011-05-01 4.45
2011-06-01 4.39
2011-07-01 4.27
2011-08-01 4.22
2011-09-01 4.28
2011-10-01 4.37
2011-11-01 4.37
2011-12-01 4.44
2012-01-01 4.46
2012-02-01 4.39
2012-03-01 4.43
2012-04-01 4.35
2012-05-01 4.39
2012-06-01 4.46
2012-07-01 4.41
2012-08-01 4.32
2012-09-01 4.27
2012-10-01 4.35
2012-11-01 4.46
2012-12-01 4.21
2013-01-01 4.30
2013-02-01 4.19
2013-03-01 4.00
2013-04-01 3.89
2013-05-01 3.73
2013-06-01 3.83
2013-07-01 3.89
2013-08-01 3.89
2013-09-01 3.68
2013-10-01 3.47
2013-11-01 3.48
2013-12-01 3.41
2014-01-01 3.41
2014-02-01 3.39
2014-03-01 3.29
2014-04-01 3.37
2014-05-01 3.42
2014-06-01 3.08
2014-07-01 2.90
2014-08-01 2.89
2014-09-01 2.86
2014-10-01 2.95
2014-11-01 2.92
2014-12-01 2.92
2015-01-01 2.91
2015-02-01 2.94
2015-03-01 3.12
2015-04-01 3.09
2015-05-01 3.09
2015-06-01 3.12
2015-07-01 3.13
2015-08-01 3.35
2015-09-01 3.33
2015-10-01 3.13
2015-11-01 3.22
2015-12-01 3.29
2016-01-01 3.30
2016-02-01 3.53
2016-03-01 3.91
2016-04-01 3.83
2016-05-01 3.94
2016-06-01 4.14
2016-07-01 4.39
2016-08-01 4.36
2016-09-01 4.48
2016-10-01 4.85
2016-11-01 5.47
2016-12-01 5.87
2017-01-01 6.25
2017-02-01 6.37
2017-03-01 6.56
2017-04-01 6.66
2017-05-01 6.82
2017-06-01 7.05
2017-07-01 7.08
2017-08-01 7.11
2017-09-01 7.09
2017-10-01 7.09
2017-11-01 7.13
2017-12-01 7.31
2018-01-01 7.36
2018-02-01 7.56
2018-03-01 7.65
2018-04-01 7.64
2018-05-01 7.74
2018-06-01 7.88
2018-07-01 7.90
2018-08-01 7.89
2018-09-01 7.92
2018-10-01 7.89