Month	Percent
1993-01-01	6.61
1993-02-01	9.87
1993-03-01	11.92
1993-04-01	16.88
1993-05-01	12.31
1993-06-01	12.09
1993-07-01	9.30
1993-08-01	10.20
1993-09-01	8.56
1993-10-01	7.27
1993-11-01	5.17
1993-12-01	5.47
1994-01-01	7.63
1994-02-01	6.96
1994-03-01	7.77
1994-04-01	5.92
1994-05-01	5.89
1994-06-01	5.88
1994-07-01	7.39
1994-08-01	7.72
1994-09-01	8.41
1994-10-01	10.01
1994-11-01	10.42
1994-12-01	10.75
1995-01-01	10.50
1995-02-01	10.27
1995-03-01	9.87
1995-04-01	10.21
1995-05-01	10.08
1995-06-01	10.52
1995-07-01	11.24
1995-08-01	10.71
1995-09-01	10.94
1995-10-01	11.09
1995-11-01	11.12
1995-12-01	10.83
1996-01-01	10.61
1996-02-01	10.34
1996-03-01	11.27
1996-04-01	11.46
1996-05-01	11.43
1996-06-01	11.15
1996-07-01	11.92
1996-08-01	12.39
1996-09-01	11.87
1996-10-01	12.00
1996-11-01	11.99
1996-12-01	12.44
1997-01-01	12.42
1997-02-01	12.52
1997-03-01	12.46
1997-04-01	12.19
1997-05-01	71.51
1997-06-01	31.56
1997-07-01	15.37
1997-08-01	13.15
1997-09-01	13.49
1997-10-01	11.55
1997-11-01	12.05
1997-12-01	12.55
1998-01-01	13.48
1998-02-01	13.95
1998-03-01	13.91
1998-04-01	14.76
1998-05-01	14.44
1998-06-01	13.63
1998-07-01	14.99
1998-08-01	13.70
1998-09-01	14.05
1998-10-01	13.18
1998-11-01	12.00
1998-12-01	10.84
1999-01-01	9.29
1999-02-01	8.04
1999-03-01	7.75
1999-04-01	7.30
1999-05-01	7.03
1999-06-01	6.84
1999-07-01	6.57
1999-08-01	6.30
1999-09-01	5.99
1999-10-01	5.75
1999-11-01	5.43
1999-12-01	5.21
2000-01-01	5.24
2000-02-01	5.26
2000-03-01	5.25
2000-04-01	5.26
2000-05-01	5.26
2000-06-01	5.27
2000-07-01	5.27
2000-08-01	5.27
2000-09-01	5.26
2000-10-01	5.25
2000-11-01	5.24
2000-12-01	5.23
2001-01-01	5.23
2001-02-01	5.16
2001-03-01	4.98
2001-04-01	4.98
2001-05-01	4.94
2001-06-01	4.89
2001-07-01	4.88
2001-08-01	4.98
2001-09-01	5.01
2001-10-01	5.00
2001-11-01	5.07
2001-12-01	4.63
2002-01-01	4.52
2002-02-01	4.25
2002-03-01	4.26
2002-04-01	4.18
2002-05-01	3.75
2002-06-01	3.75
2002-07-01	3.62
2002-08-01	3.01
2002-09-01	3.02
2002-10-01	3.01
2002-11-01	2.75
2002-12-01	2.75
2003-01-01	2.71
2003-02-01	2.50
2003-03-01	2.50
2003-04-01	2.50
2003-05-01	2.49
2003-06-01	2.47
2003-07-01	2.26
2003-08-01	2.02
2003-09-01	2.00
2003-10-01	2.00
2003-11-01	2.00
2003-12-01	1.98
2004-01-01	1.98
2004-02-01	2.00
2004-03-01	2.00
2004-04-01	2.00
2004-05-01	2.01
2004-06-01	2.05
2004-07-01	2.23
2004-08-01	2.13
2004-09-01	2.39
2004-10-01	2.47
2004-11-01	2.50
2004-12-01	2.49
2005-01-01	2.48
2005-02-01	2.24
2005-03-01	2.21
2005-04-01	1.99
2005-05-01	1.76
2005-06-01	1.75
2005-07-01	1.75
2005-08-01	1.75
2005-09-01	1.75
2005-10-01	1.70
2005-11-01	1.98
2005-12-01	2.00
2006-01-01	2.00
2006-02-01	1.98
2006-03-01	1.99
2006-04-01	2.00
2006-05-01	1.98
2006-06-01	1.97
2006-07-01	1.75
2006-08-01	2.26
2006-09-01	2.05
2006-10-01	2.27
2006-11-01	2.41
2006-12-01	2.48
2007-01-01	2.49
2007-02-01	2.47
2007-03-01	2.49
2007-04-01	2.42
2007-05-01	2.20
2007-06-01	2.70
2007-07-01	2.52
2007-08-01	2.92
2007-09-01	3.25
2007-10-01	3.23
2007-11-01	3.15
2007-12-01	3.40
2008-01-01	3.48
2008-02-01	3.55
2008-03-01	3.58
2008-04-01	3.72
2008-05-01	3.70
2008-06-01	3.56
2008-07-01	3.80
2008-08-01	3.62
2008-09-01	3.45
2008-10-01	3.52
2008-11-01	2.79
2008-12-01	2.32
2009-01-01	2.20
2009-02-01	1.87
2009-03-01	1.74
2009-04-01	1.80
2009-05-01	1.62
2009-06-01	1.55
2009-07-01	1.59
2009-08-01	1.45
2009-09-01	1.37
2009-10-01	1.37
2009-11-01	1.36
2009-12-01	1.01
2010-01-01	1.04
2010-02-01	1.03
2010-03-01	1.02
2010-04-01	1.01
2010-05-01	0.87
2010-06-01	0.76
2010-07-01	0.79
2010-08-01	0.80
2010-09-01	0.84
2010-10-01	0.77
2010-11-01	0.77
2010-12-01	0.65
2011-01-01	0.75
2011-02-01	0.70
2011-03-01	0.68
2011-04-01	0.67
2011-05-01	0.71
2011-06-01	0.71
2011-07-01	0.74
2011-08-01	0.67
2011-09-01	0.72
2011-10-01	0.67
2011-11-01	0.71
2011-12-01	0.63
2012-01-01	0.69
2012-02-01	0.71
2012-03-01	0.73
2012-04-01	0.72
2012-05-01	0.73
2012-06-01	0.74
2012-07-01	0.57
2012-08-01	0.57
2012-09-01	0.57
2012-10-01	0.38
2012-11-01	0.21
2012-12-01	0.20
2013-01-01	0.19
2013-02-01	0.20
2013-03-01	0.18
2013-04-01	0.18
2013-05-01	0.18
2013-06-01	0.18
2013-07-01	0.17
2013-08-01	0.18
2013-09-01	0.18
2013-10-01	0.17
2013-11-01	0.16
2013-12-01	0.15
2014-01-01	0.15
2014-02-01	0.15
2014-03-01	0.15
2014-04-01	0.15
2014-05-01	0.15
2014-06-01	0.15
2014-07-01	0.15
2014-08-01	0.15
2014-09-01	0.15
2014-10-01	0.15
2014-11-01	0.15
2014-12-01	0.16
2015-01-01	0.16
2015-02-01	0.16
2015-03-01	0.15
2015-04-01	0.15
2015-05-01	0.15
2015-06-01	0.15
2015-07-01	0.15
2015-08-01	0.15
2015-09-01	0.14
2015-10-01	0.13
2015-11-01	0.13
2015-12-01	0.13
2016-01-01	0.13
2016-02-01	0.13
2016-03-01	0.13
2016-04-01	0.13
2016-05-01	0.13
2016-06-01	0.13
2016-07-01	0.13
2016-08-01	0.13
2016-09-01	0.13
2016-10-01	0.13
2016-11-01	0.12
2016-12-01	0.12
2017-01-01	0.12
2017-02-01	0.12
2017-03-01	0.12
2017-04-01	0.12
2017-05-01	0.12
2017-06-01	0.12
2017-07-01	0.12
2017-08-01	0.25
2017-09-01	0.28
2017-10-01	0.28
2017-11-01	0.47
2017-12-01	0.50
2018-01-01	0.50
2018-02-01	0.74
2018-03-01	0.75
2018-04-01	0.75
2018-05-01	0.75
2018-06-01	0.76
2018-07-01	1.00
2018-08-01	1.23
2018-09-01	1.26
2018-10-01	1.50