Month	Percent
1993-01-01	13.60
1993-02-01	14.47
1993-03-01	15.22
1993-04-01	18.89
1993-05-01	16.90
1993-06-01	15.06
1993-07-01	12.81
1993-08-01	12.45
1993-09-01	11.33
1993-10-01	10.27
1993-11-01	8.80
1993-12-01	8.00
1994-01-01	8.64
1994-02-01	9.00
1994-03-01	9.16
1994-04-01	8.59
1994-05-01	7.75
1994-06-01	6.98
1994-07-01	7.97
1994-08-01	8.23
1994-09-01	8.88
1994-10-01	10.22
1994-11-01	11.22
1994-12-01	12.65
1995-01-01	11.46
1995-02-01	10.74
1995-03-01	10.38
1995-04-01	10.37
1995-05-01	10.36
1995-06-01	10.77
1995-07-01	11.64
1995-08-01	11.27
1995-09-01	11.02
1995-10-01	11.15
1995-11-01	11.26
1995-12-01	10.93
1996-01-01	10.64
1996-02-01	10.87
1996-03-01	11.06
1996-04-01	11.47
1996-05-01	11.83
1996-06-01	12.17
1996-07-01	12.81
1996-08-01	12.71
1996-09-01	12.56
1996-10-01	12.69
1996-11-01	12.70
1996-12-01	12.67
1997-01-01	12.44
1997-02-01	12.32
1997-03-01	12.40
1997-04-01	12.27
1997-05-01	20.76
1997-06-01	25.99
1997-07-01	16.99
1997-08-01	14.70
1997-09-01	14.74
1997-10-01	15.16
1997-11-01	16.72
1997-12-01	17.50
1998-01-01	16.59
1998-02-01	15.92
1998-03-01	15.52
1998-04-01	15.47
1998-05-01	15.55
1998-06-01	15.81
1998-07-01	14.50
1998-08-01	14.23
1998-09-01	13.82
1998-10-01	13.20
1998-11-01	11.31
1998-12-01	10.08
1999-01-01	8.49
1999-02-01	8.18
1999-03-01	7.58
1999-04-01	7.09
1999-05-01	6.96
1999-06-01	6.95
1999-07-01	6.61
1999-08-01	6.45
1999-09-01	6.29
1999-10-01	6.18
1999-11-01	5.88
1999-12-01	5.58
2000-01-01	5.42
2000-02-01	5.39
2000-03-01	5.35
2000-04-01	5.33
2000-05-01	5.32
2000-06-01	5.33
2000-07-01	5.35
2000-08-01	5.34
2000-09-01	5.34
2000-10-01	5.39
2000-11-01	5.41
2000-12-01	5.42
2001-01-01	5.34
2001-02-01	5.27
2001-03-01	5.05
2001-04-01	5.01
2001-05-01	5.03
2001-06-01	5.09
2001-07-01	5.25
2001-08-01	5.57
2001-09-01	5.41
2001-10-01	5.29
2001-11-01	5.08
2001-12-01	4.69
2002-01-01	4.55
2002-02-01	4.30
2002-03-01	4.30
2002-04-01	4.21
2002-05-01	3.81
2002-06-01	3.78
2002-07-01	3.37
2002-08-01	3.06
2002-09-01	2.99
2002-10-01	2.82
2002-11-01	2.77
2002-12-01	2.63
2003-01-01	2.66
2003-02-01	2.45
2003-03-01	2.39
2003-04-01	2.45
2003-05-01	2.45
2003-06-01	2.33
2003-07-01	2.25
2003-08-01	2.06
2003-09-01	2.06
2003-10-01	2.06
2003-11-01	2.07
2003-12-01	2.08
2004-01-01	2.07
2004-02-01	2.06
2004-03-01	2.05
2004-04-01	2.06
2004-05-01	2.16
2004-06-01	2.33
2004-07-01	2.47
2004-08-01	2.57
2004-09-01	2.72
2004-10-01	2.67
2004-11-01	2.61
2004-12-01	2.57
2005-01-01	2.53
2005-02-01	2.25
2005-03-01	2.08
2005-04-01	2.03
2005-05-01	1.78
2005-06-01	1.75
2005-07-01	1.78
2005-08-01	1.79
2005-09-01	1.80
2005-10-01	1.91
2005-11-01	2.24
2005-12-01	2.17
2006-01-01	2.14
2006-02-01	2.00
2006-03-01	2.08
2006-04-01	2.11
2006-05-01	2.12
2006-06-01	2.16
2006-07-01	2.29
2006-08-01	2.36
2006-09-01	2.49
2006-10-01	2.65
2006-11-01	2.64
2006-12-01	2.56
2007-01-01	2.58
2007-02-01	2.59
2007-03-01	2.56
2007-04-01	2.60
2007-05-01	2.77
2007-06-01	2.93
2007-07-01	3.07
2007-08-01	3.28
2007-09-01	3.46
2007-10-01	3.55
2007-11-01	3.73
2007-12-01	4.05
2008-01-01	3.96
2008-02-01	3.94
2008-03-01	4.04
2008-04-01	4.11
2008-05-01	4.14
2008-06-01	4.21
2008-07-01	4.11
2008-08-01	3.81
2008-09-01	3.81
2008-10-01	4.19
2008-11-01	4.24
2008-12-01	3.89
2009-01-01	3.14
2009-02-01	2.50
2009-03-01	2.49
2009-04-01	2.50
2009-05-01	2.30
2009-06-01	2.17
2009-07-01	2.09
2009-08-01	1.92
2009-09-01	1.88
2009-10-01	1.87
2009-11-01	1.80
2009-12-01	1.64
2010-01-01	1.55
2010-02-01	1.52
2010-03-01	1.43
2010-04-01	1.42
2010-05-01	1.27
2010-06-01	1.24
2010-07-01	1.23
2010-08-01	1.24
2010-09-01	1.22
2010-10-01	1.20
2010-11-01	1.22
2010-12-01	1.22
2011-01-01	1.20
2011-02-01	1.21
2011-03-01	1.21
2011-04-01	1.21
2011-05-01	1.22
2011-06-01	1.20
2011-07-01	1.19
2011-08-01	1.19
2011-09-01	1.17
2011-10-01	1.17
2011-11-01	1.15
2011-12-01	1.16
2012-01-01	1.17
2012-02-01	1.20
2012-03-01	1.23
2012-04-01	1.24
2012-05-01	1.24
2012-06-01	1.21
2012-07-01	1.06
2012-08-01	1.00
2012-09-01	0.87
2012-10-01	0.71
2012-11-01	0.54
2012-12-01	0.50
2013-01-01	0.50
2013-02-01	0.50
2013-03-01	0.49
2013-04-01	0.47
2013-05-01	0.46
2013-06-01	0.46
2013-07-01	0.46
2013-08-01	0.46
2013-09-01	0.45
2013-10-01	0.45
2013-11-01	0.40
2013-12-01	0.38
2014-01-01	0.37
2014-02-01	0.37
2014-03-01	0.37
2014-04-01	0.37
2014-05-01	0.37
2014-06-01	0.35
2014-07-01	0.35
2014-08-01	0.35
2014-09-01	0.35
2014-10-01	0.35
2014-11-01	0.34
2014-12-01	0.34
2015-01-01	0.33
2015-02-01	0.33
2015-03-01	0.32
2015-04-01	0.31
2015-05-01	0.31
2015-06-01	0.31
2015-07-01	0.31
2015-08-01	0.31
2015-09-01	0.30
2015-10-01	0.29
2015-11-01	0.29
2015-12-01	0.29
2016-01-01	0.29
2016-02-01	0.28
2016-03-01	0.29
2016-04-01	0.29
2016-05-01	0.29
2016-06-01	0.29
2016-07-01	0.29
2016-08-01	0.29
2016-09-01	0.29
2016-10-01	0.29
2016-11-01	0.29
2016-12-01	0.29
2017-01-01	0.28
2017-02-01	0.28
2017-03-01	0.28
2017-04-01	0.29
2017-05-01	0.30
2017-06-01	0.30
2017-07-01	0.30
2017-08-01	0.43
2017-09-01	0.46
2017-10-01	0.51
2017-11-01	0.71
2017-12-01	0.75
2018-01-01	0.77
2018-02-01	0.90
2018-03-01	0.90
2018-04-01	0.90
2018-05-01	0.90
2018-06-01	0.93
2018-07-01	1.18
2018-08-01	1.45
2018-09-01	1.54
2018-10-01	1.76