Month	Percent
1989-12-01	104
1990-01-01	196
1990-02-01	96.00
1990-03-01	64.00
1990-04-01	52.00
1990-05-01	36.00
1990-06-01	28.00
1990-07-01	28.00
1990-08-01	28.00
1990-09-01	28.00
1990-10-01	36.00
1990-11-01	48.00
1990-12-01	48.00
1991-01-01	60.00
1991-02-01	60.00
1991-03-01	60.00
1991-04-01	60.00
1991-05-01	51.00
1991-06-01	51.00
1991-07-01	44.00
1991-08-01	39.00
1991-09-01	36.00
1991-10-01	36.00
1991-11-01	36.00
1991-12-01	36.00
1992-01-01	36.00
1992-02-01	36.00
1992-03-01	36.00
1992-04-01	36.00
1992-05-01	36.00
1992-06-01	36.00
1992-07-01	32.00
1992-08-01	32.00
1992-09-01	32.00
1992-10-01	32.00
1992-11-01	32.00
1992-12-01	32.00
1993-01-01	32.00
1993-02-01	29.00
1993-03-01	29.00
1993-04-01	29.00
1993-05-01	29.00
1993-06-01	29.00
1993-07-01	29.00
1993-08-01	29.00
1993-09-01	29.00
1993-10-01	29.00
1993-11-01	29.00
1993-12-01	29.00
1994-01-01	29.00
1994-02-01	29.00
1994-03-01	29.00
1994-04-01	29.00
1994-05-01	28.00
1994-06-01	28.00
1994-07-01	28.00
1994-08-01	28.00
1994-09-01	28.00
1994-10-01	28.00
1994-11-01	28.00
1994-12-01	28.00
1995-01-01	28.00
1995-02-01	31.00
1995-03-01	31.00
1995-04-01	31.00
1995-05-01	27.00
1995-06-01	27.00
1995-07-01	27.00
1995-08-01	27.00
1995-09-01	25.00
1995-10-01	25.00
1995-11-01	25.00
1995-12-01	25.00
1996-01-01	23.00
1996-02-01	23.00
1996-03-01	23.00
1996-04-01	23.00
1996-05-01	23.00
1996-06-01	23.00
1996-07-01	22.00
1996-08-01	22.00
1996-09-01	22.00
1996-10-01	22.00
1996-11-01	22.00
1996-12-01	22.00
1997-01-01	22.00
1997-02-01	22.00
1997-03-01	22.00
1997-04-01	22.00
1997-05-01	22.00
1997-06-01	22.00
1997-07-01	22.00
1997-08-01	24.50
1997-09-01	24.50
1997-10-01	24.50
1997-11-01	24.50
1997-12-01	24.50
1998-01-01	24.50
1998-02-01	24.50
1998-03-01	24.50
1998-04-01	24.50
1998-05-01	23.50
1998-06-01	23.50
1998-07-01	21.50
1998-08-01	21.50
1998-09-01	21.50
1998-10-01	20.00
1998-11-01	20.00
1998-12-01	18.25
1999-01-01	15.50
1999-02-01	15.50
1999-03-01	15.50
1999-04-01	15.50
1999-05-01	15.50
1999-06-01	15.50
1999-07-01	15.50
1999-08-01	15.50
1999-09-01	15.50
1999-10-01	15.50
1999-11-01	19.00
1999-12-01	19.00
2000-01-01	19.00
2000-02-01	20.00
2000-03-01	20.00
2000-04-01	20.00
2000-05-01	20.00
2000-06-01	20.00
2000-07-01	20.00
2000-08-01	21.50
2000-09-01	21.50
2000-10-01	21.50
2000-11-01	21.50
2000-12-01	21.50
2001-01-01	21.50
2001-02-01	21.50
2001-03-01	19.50
2001-04-01	19.50
2001-05-01	19.50
2001-06-01	18.00
2001-07-01	18.00
2001-08-01	17.00
2001-09-01	17.00
2001-10-01	15.50
2001-11-01	14.00
2001-12-01	14.00
2002-01-01	12.00
2002-02-01	12.00
2002-03-01	12.00
2002-04-01	11.00
2002-05-01	10.50
2002-06-01	10.00
2002-07-01	10.00
2002-08-01	9.00
2002-09-01	8.50
2002-10-01	7.75
2002-11-01	7.50
2002-12-01	7.50
2003-01-01	7.25
2003-02-01	6.75
2003-03-01	6.50
2003-04-01	6.25
2003-05-01	6.00
2003-06-01	5.75
2003-07-01	5.75
2003-08-01	5.75
2003-09-01	5.75
2003-10-01	5.75
2003-11-01	5.75
2003-12-01	5.75
2004-01-01	5.75
2004-02-01	5.75
2004-03-01	5.75
2004-04-01	5.75
2004-05-01	5.75
2004-06-01	5.75
2004-07-01	6.50
2004-08-01	7.00
2004-09-01	7.00
2004-10-01	7.00
2004-11-01	7.00
2004-12-01	7.00
2005-01-01	7.00
2005-02-01	7.00
2005-03-01	6.50
2005-04-01	6.00
2005-05-01	6.00
2005-06-01	5.50
2005-07-01	5.25
2005-08-01	5.25
2005-09-01	4.75
2005-10-01	4.75
2005-11-01	4.75
2005-12-01	4.75
2006-01-01	4.75
2006-02-01	4.50
2006-03-01	4.25
2006-04-01	4.25
2006-05-01	4.25
2006-06-01	4.25
2006-07-01	4.25
2006-08-01	4.25
2006-09-01	4.25
2006-10-01	4.25
2006-11-01	4.25
2006-12-01	4.25
2007-01-01	4.25
2007-02-01	4.25
2007-03-01	4.25
2007-04-01	4.50
2007-05-01	4.50
2007-06-01	4.75
2007-07-01	4.75
2007-08-01	5.00
2007-09-01	5.00
2007-10-01	5.00
2007-11-01	5.25
2007-12-01	5.25
2008-01-01	5.50
2008-02-01	5.75
2008-03-01	6.00
2008-04-01	6.00
2008-05-01	6.00
2008-06-01	6.25
2008-07-01	6.25
2008-08-01	6.25
2008-09-01	6.25
2008-10-01	6.25
2008-11-01	6.00
2008-12-01	5.25
2009-01-01	4.50
2009-02-01	4.25
2009-03-01	4.00
2009-04-01	4.00
2009-05-01	4.00
2009-06-01	3.75
2009-07-01	3.75
2009-08-01	3.75
2009-09-01	3.75
2009-10-01	3.75
2009-11-01	3.75
2009-12-01	3.75
2010-01-01	3.75
2010-02-01	3.75
2010-03-01	3.75
2010-04-01	3.75
2010-05-01	3.75
2010-06-01	3.75
2010-07-01	3.75
2010-08-01	3.75
2010-09-01	3.75
2010-10-01	3.75
2010-11-01	3.75
2010-12-01	3.75
2011-01-01	4.00
2011-02-01	4.00
2011-03-01	4.00
2011-04-01	4.25
2011-05-01	4.50
2011-06-01	4.75
2011-07-01	4.75
2011-08-01	4.75
2011-09-01	4.75
2011-10-01	4.75
2011-11-01	4.75
2011-12-01	4.75
2012-01-01	4.75
2012-02-01	4.75
2012-03-01	4.75
2012-04-01	4.75
2012-05-01	5.00
2012-06-01	5.00
2012-07-01	5.00
2012-08-01	5.00
2012-09-01	5.00
2012-10-01	5.00
2012-11-01	4.75
2012-12-01	4.50
2013-01-01	4.25
2013-02-01	4.00
2013-03-01	3.50
2013-04-01	3.50
2013-05-01	3.25
2013-06-01	3.00
2013-07-01	2.75
2013-08-01	2.75
2013-09-01	2.75
2013-10-01	2.75
2013-11-01	2.75
2013-12-01	2.75
2014-01-01	2.75
2014-02-01	2.75
2014-03-01	2.75
2014-04-01	2.75
2014-05-01	2.75
2014-06-01	2.75
2014-07-01	2.75
2014-08-01	2.75
2014-09-01	2.75
2014-10-01	2.25
2014-11-01	2.25
2014-12-01	2.25
2015-01-01	2.25
2015-02-01	2.25
2015-03-01	1.75
2015-04-01	1.75
2015-05-01	1.75
2015-06-01	1.75
2015-07-01	1.75
2015-08-01	1.75
2015-09-01	1.75
2015-10-01	1.75
2015-11-01	1.75
2015-12-01	1.75
2016-01-01	1.75
2016-02-01	1.75
2016-03-01	1.75
2016-04-01	1.75
2016-05-01	1.75
2016-06-01	1.75
2016-07-01	1.75
2016-08-01	1.75
2016-09-01	1.75
2016-10-01	1.75
2016-11-01	1.75
2016-12-01	1.75
2017-01-01	1.75
2017-02-01	1.75
2017-03-01	1.75
2017-04-01	1.75
2017-05-01	1.75
2017-06-01	1.75
2017-07-01	1.75
2017-08-01	1.75
2017-09-01	1.75
2017-10-01	1.75
2017-11-01	1.75
2017-12-01	1.75
2018-01-01	1.75
2018-02-01	1.75
2018-03-01	1.75
2018-04-01	1.75
2018-05-01	1.75
2018-06-01	1.75
2018-07-01	1.75
2018-08-01	1.75
2018-09-01	1.75
2018-10-01	1.75