Month	Percent
1986-01-01	11.87500
1986-02-01	13.12500
1986-03-01	12.50000
1986-04-01	11.43750
1986-05-01	10.56250
1986-06-01	9.93750
1986-07-01	9.93750
1986-08-01	9.95313
1986-09-01	9.93750
1986-10-01	10.96875
1986-11-01	11.06250
1986-12-01	11.50000
1987-01-01	11.12500
1987-02-01	11.12500
1987-03-01	10.68750
1987-04-01	10.00000
1987-05-01	9.20313
1987-06-01	8.81250
1987-07-01	9.31250
1987-08-01	9.50000
1987-09-01	10.37500
1987-10-01	10.31250
1987-11-01	9.34375
1987-12-01	7.87500
1988-01-01	7.43750
1988-02-01	9.12500
1988-03-01	9.37500
1988-04-01	8.68750
1988-05-01	8.46875
1988-06-01	8.23438
1988-07-01	10.18750
1988-08-01	10.87500
1988-09-01	12.56250
1988-10-01	12.00000
1988-11-01	12.12500
1988-12-01	13.28125
1989-01-01	13.18750
1989-02-01	13.06250
1989-03-01	13.37500
1989-04-01	13.12500
1989-05-01	13.00000
1989-06-01	14.06250
1989-07-01	14.06250
1989-08-01	13.87500
1989-09-01	14.00000
1989-10-01	14.56250
1989-11-01	15.31250
1989-12-01	15.25000
1990-01-01	15.12500
1990-02-01	15.12500
1990-03-01	15.21875
1990-04-01	15.31250
1990-05-01	15.37500
1990-06-01	15.18750
1990-07-01	14.93750
1990-08-01	15.00000
1990-09-01	15.00000
1990-10-01	14.93750
1990-11-01	13.81250
1990-12-01	13.62500
1991-01-01	14.09380
1991-02-01	13.98440
1991-03-01	12.75000
1991-04-01	12.43750
1991-05-01	11.62500
1991-06-01	11.37500
1991-07-01	11.24219
1991-08-01	11.00000
1991-09-01	10.81250
1991-10-01	10.32030
1991-11-01	10.50000
1991-12-01	10.75000
1992-01-01	10.93750
1992-02-01	10.62500
1992-03-01	10.37500
1992-04-01	11.12500
1992-05-01	10.37500
1992-06-01	10.00000
1992-07-01	10.06250
1992-08-01	10.43750
1992-09-01	10.62500
1992-10-01	9.00000
1992-11-01	7.62500
1992-12-01	7.31250
1993-01-01	7.07031
1993-02-01	6.25000
1993-03-01	6.06250
1993-04-01	5.93750
1993-05-01	6.18750
1993-06-01	5.98438
1993-07-01	5.93750
1993-08-01	5.86719
1993-09-01	5.93750
1993-10-01	6.00000
1993-11-01	5.75000
1993-12-01	5.37500
1994-01-01	5.43750
1994-02-01	5.43750
1994-03-01	5.18750
1994-04-01	5.38281
1994-05-01	5.25000
1994-06-01	5.25000
1994-07-01	5.18750
1994-08-01	5.62500
1994-09-01	5.56250
1994-10-01	5.95313
1994-11-01	6.18750
1994-12-01	6.31250
1995-01-01	6.67969
1995-02-01	6.81250
1995-03-01	6.75000
1995-04-01	6.75000
1995-05-01	7.06250
1995-06-01	6.56250
1995-07-01	6.96094
1995-08-01	6.93750
1995-09-01	6.85156
1995-10-01	6.80469
1995-11-01	6.81250
1995-12-01	6.59375
1996-01-01	6.56250
1996-02-01	6.31250
1996-03-01	6.18750
1996-04-01	6.12500
1996-05-01	6.07031
1996-06-01	6.12500
1996-07-01	5.87500
1996-08-01	5.81250
1996-09-01	5.81250
1996-10-01	5.93750
1996-11-01	6.28906
1996-12-01	6.40625
1997-01-01	6.53125
1997-02-01	6.31250
1997-03-01	6.25000
1997-04-01	6.41406
1997-05-01	6.56250
1997-06-01	6.64844
1997-07-01	6.89063
1997-08-01	7.13281
1997-09-01	7.31250
1997-10-01	7.31250
1997-11-01	7.37500
1997-12-01	7.75000
1998-01-01	7.67188
1998-02-01	7.56250
1998-03-01	7.56250
1998-04-01	7.59375
1998-05-01	7.47266
1998-06-01	7.50000
1998-07-01	7.86328
1998-08-01	7.75000
1998-09-01	7.60938
1998-10-01	7.31641
1998-11-01	7.17719
1998-12-01	6.87438
1999-01-01	6.25766
1999-02-01	5.81188
1999-03-01	5.43844
1999-04-01	5.30844
1999-05-01	5.33125
1999-06-01	5.37750
1999-07-01	5.16078
1999-08-01	5.29328
1999-09-01	5.22297
1999-10-01	5.96938
1999-11-01	6.02250
1999-12-01	6.05906
2000-01-01	6.07844
2000-02-01	6.21688
2000-03-01	6.25000
2000-04-01	6.26250
2000-05-01	6.35750
2000-06-01	6.25750
2000-07-01	6.21078
2000-08-01	6.24250
2000-09-01	6.24750
2000-10-01	6.17813
2000-11-01	6.13000
2000-12-01	6.03031
2001-01-01	5.90531
2001-02-01	5.79250
2001-03-01	5.64828
2001-04-01	5.50000
2001-05-01	5.32938
2001-06-01	5.24250
2001-07-01	5.28547
2001-08-01	5.25000
2001-09-01	4.92594
2001-10-01	4.54000
2001-11-01	4.19125
2001-12-01	4.01875
2002-01-01	4.06383
2002-02-01	4.06188
2002-03-01	4.05500
2002-04-01	4.20375
2002-05-01	4.12250
2002-06-01	4.19063
2002-07-01	4.14953
2002-08-01	3.97109
2002-09-01	4.01250
2002-10-01	3.93000
2002-11-01	3.93594
2002-12-01	4.04141
2003-01-01	4.01445
2003-02-01	3.98250
2003-03-01	3.68219
2003-04-01	3.65078
2003-05-01	3.59375
2003-06-01	3.62313
2003-07-01	3.62938
2003-08-01	3.47125
2003-09-01	3.66938
2003-10-01	3.72125
2003-11-01	3.97234
2003-12-01	3.99500
2004-01-01	4.03563
2004-02-01	4.14500
2004-03-01	4.23500
2004-04-01	4.37625
2004-05-01	4.43375
2004-06-01	4.69000
2004-07-01	4.82625
2004-08-01	4.94938
2004-09-01	4.95375
2004-10-01	4.91625
2004-11-01	4.90000
2004-12-01	4.86000
2005-01-01	4.88500
2005-02-01	4.87000
2005-03-01	4.98000
2005-04-01	4.98000
2005-05-01	4.93875
2005-06-01	4.86313
2005-07-01	4.70688
2005-08-01	4.61625
2005-09-01	4.58750
2005-10-01	4.60063
2005-11-01	4.61000
2005-12-01	4.62000
2006-01-01	4.63938
2006-02-01	4.59688
2006-03-01	4.58000
2006-04-01	4.61375
2006-05-01	4.67500
2006-06-01	4.71563
2006-07-01	4.75250
2006-08-01	4.78813
2006-09-01	4.98188
2006-10-01	5.08188
2006-11-01	5.19875
2006-12-01	5.26125
2007-01-01	5.32438
2007-02-01	5.60000
2007-03-01	5.53250
2007-04-01	5.62688
2007-05-01	5.73000
2007-06-01	5.81938
2007-07-01	6.00063
2007-08-01	6.06188
2007-09-01	6.74000
2007-10-01	6.25875
2007-11-01	6.28063
2007-12-01	6.62000
2008-01-01	5.89000
2008-02-01	5.55875
2008-03-01	5.75625
2008-04-01	6.00375
2008-05-01	5.81500
2008-06-01	5.86813
2008-07-01	5.93188
2008-08-01	5.78000
2008-09-01	5.74638
2008-10-01	6.27750
2008-11-01	5.77625
2008-12-01	3.84125
2009-01-01	2.70500
2009-02-01	2.16188
2009-03-01	2.03375
2009-04-01	1.61688
2009-05-01	1.44563
2009-06-01	1.27125
2009-07-01	1.16150
2009-08-01	0.88250
2009-09-01	0.67500
2009-10-01	0.54125
2009-11-01	0.59500
2009-12-01	0.61000
2010-01-01	0.60500
2010-02-01	0.61563
2010-03-01	0.64250
2010-04-01	0.64719
2010-05-01	0.67719
2010-06-01	0.71813
2010-07-01	0.73156
2010-08-01	0.74516
2010-09-01	0.72609
2010-10-01	0.73475
2010-11-01	0.74038
2010-12-01	0.74250
2011-01-01	0.75750
2011-02-01	0.78813
2011-03-01	0.80250
2011-04-01	0.82063
2011-05-01	0.82188
2011-06-01	0.82625
2011-07-01	0.82563
2011-08-01	0.83344
2011-09-01	0.88875
2011-10-01	0.95375
2011-11-01	0.98956
2011-12-01	1.03888
2012-01-01	1.08006
2012-02-01	1.08019
2012-03-01	1.04744
2012-04-01	1.02563
2012-05-01	1.01125
2012-06-01	0.99063
2012-07-01	0.88875
2012-08-01	0.73375
2012-09-01	0.68125
2012-10-01	0.58313
2012-11-01	0.52750
2012-12-01	0.52188
2013-01-01	0.51500
2013-02-01	0.51125
2013-03-01	0.50688
2013-04-01	0.50688
2013-05-01	0.50563
2013-06-01	0.50563
2013-07-01	0.51038
2013-08-01	0.51125
2013-09-01	0.51500
2013-10-01	0.51750
2013-11-01	0.51763
2013-12-01	0.52281
2014-01-01	0.52500
2014-02-01	0.52125
2014-03-01	0.52219
2014-04-01	0.52719
2014-05-01	0.52519
2014-06-01	0.53094
2014-07-01	0.55438
2014-08-01	0.56013
2014-09-01	0.56081
2014-10-01	0.56275
2014-11-01	0.55475
2014-12-01	0.55300
2015-01-01	0.56338
2015-02-01	0.56338
2015-03-01	0.56150
2015-04-01	0.56900
2015-05-01	0.56750
2015-06-01	0.56844
2015-07-01	0.57813
2015-08-01	0.58125
2015-09-01	0.58313
2015-10-01	0.58438
2015-11-01	0.57938
2015-12-01	0.57313
2016-01-01	0.59038
2016-02-01	0.59125
2016-03-01	0.58719
2016-04-01	0.58750
2016-05-01	0.59056
2016-06-01	0.58731
2016-07-01	0.52250
2016-08-01	0.49344
2016-09-01	0.38438
2016-10-01	0.38275
2016-11-01	0.39938
2016-12-01	0.38375
2017-01-01	0.36663
2017-02-01	0.35463
2017-03-01	0.35400
2017-04-01	0.33931
2017-05-01	0.32369
2017-06-01	0.29163
2017-07-01	0.30388
2017-08-01	0.28806
2017-09-01	0.27650
2017-10-01	0.33563
2017-11-01	0.46500
2017-12-01	0.51975
2018-01-01	0.51906
2018-02-01	0.52547
2018-03-01	0.58470
2018-04-01	0.71180
2018-05-01	0.70053
2018-06-01	0.61743
2018-07-01	0.67975
2018-08-01	0.80650
2018-09-01	0.80000
2018-10-01	0.80000