Month	Percent
1990-01-01	8.17000
1990-02-01	8.60000
1990-03-01	8.56000
1990-04-01	8.68000
1990-05-01	8.83000
1990-06-01	8.84000
1990-07-01	8.67000
1990-08-01	8.83000
1990-09-01	8.99000
1990-10-01	9.02000
1990-11-01	8.85000
1990-12-01	8.69000
1991-01-01	8.85000
1991-02-01	8.55000
1991-03-01	8.41000
1991-04-01	8.40000
1991-05-01	8.44000
1991-06-01	8.50000
1991-07-01	8.62000
1991-08-01	8.65000
1991-09-01	8.58000
1991-10-01	8.50000
1991-11-01	8.53000
1991-12-01	8.53000
1992-01-01	8.32000
1992-02-01	8.22000
1992-03-01	8.26000
1992-04-01	8.30000
1992-05-01	8.31000
1992-06-01	8.35000
1992-07-01	8.39000
1992-08-01	8.39000
1992-09-01	8.12000
1992-10-01	7.78000
1992-11-01	7.69000
1992-12-01	7.54000
1993-01-01	7.22000
1993-02-01	7.13000
1993-03-01	6.86000
1993-04-01	6.93000
1993-05-01	7.06000
1993-06-01	6.99000
1993-07-01	6.75000
1993-08-01	6.60000
1993-09-01	6.44000
1993-10-01	6.26000
1993-11-01	6.18000
1993-12-01	6.04000
1994-01-01	5.81000
1994-02-01	6.06000
1994-03-01	6.45000
1994-04-01	6.67000
1994-05-01	6.97000
1994-06-01	7.41000
1994-07-01	7.12000
1994-08-01	7.20000
1994-09-01	7.57000
1994-10-01	7.69000
1994-11-01	7.72000
1994-12-01	7.63000
1995-01-01	7.72000
1995-02-01	7.65000
1995-03-01	7.51000
1995-04-01	7.37000
1995-05-01	7.13000
1995-06-01	7.05000
1995-07-01	7.11000
1995-08-01	7.00000
1995-09-01	6.88000
1995-10-01	6.96000
1995-11-01	6.76000
1995-12-01	6.47000
1996-01-01	6.21000
1996-02-01	6.44000
1996-03-01	6.55000
1996-04-01	6.43000
1996-05-01	6.45000
1996-06-01	6.63000
1996-07-01	6.58000
1996-08-01	6.41000
1996-09-01	6.30000
1996-10-01	6.06000
1996-11-01	5.95000
1996-12-01	5.86000
1997-01-01	5.84000
1997-02-01	5.58000
1997-03-01	5.71000
1997-04-01	5.90000
1997-05-01	5.79000
1997-06-01	5.78000
1997-07-01	5.61000
1997-08-01	5.70000
1997-09-01	5.63000
1997-10-01	5.62000
1997-11-01	5.63000
1997-12-01	5.40000
1998-01-01	5.19000
1998-02-01	5.07000
1998-03-01	4.97000
1998-04-01	4.97000
1998-05-01	5.03000
1998-06-01	4.89000
1998-07-01	4.83000
1998-08-01	4.62000
1998-09-01	4.31000
1998-10-01	4.30000
1998-11-01	4.33000
1998-12-01	4.05000
1999-01-01	3.84000
1999-02-01	3.98000
1999-03-01	4.16000
1999-04-01	4.03000
1999-05-01	4.21000
1999-06-01	4.54000
1999-07-01	4.87000
1999-08-01	5.10000
1999-09-01	5.27000
1999-10-01	5.53000
1999-11-01	5.27000
1999-12-01	5.35000
2000-01-01	5.75000
2000-02-01	5.77000
2000-03-01	5.59000
2000-04-01	5.49000
2000-05-01	5.66000
2000-06-01	5.52000
2000-07-01	5.60000
2000-08-01	5.54000
2000-09-01	5.57000
2000-10-01	5.52000
2000-11-01	5.46000
2000-12-01	5.21000
2001-01-01	5.10000
2001-02-01	5.10000
2001-03-01	5.01000
2001-04-01	5.16000
2001-05-01	5.34000
2001-06-01	5.27000
2001-07-01	5.29000
2001-08-01	5.10000
2001-09-01	5.08000
2001-10-01	4.85000
2001-11-01	4.70000
2001-12-01	4.95000
2002-01-01	5.06000
2002-02-01	5.12000
2002-03-01	5.36000
2002-04-01	5.35000
2002-05-01	5.37000
2002-06-01	5.22000
2002-07-01	5.06000
2002-08-01	4.77000
2002-09-01	4.57000
2002-10-01	4.64000
2002-11-01	4.62000
2002-12-01	4.43000
2003-01-01	4.22000
2003-02-01	4.01000
2003-03-01	4.03000
2003-04-01	4.16000
2003-05-01	3.85000
2003-06-01	3.76000
2003-07-01	4.06000
2003-08-01	4.22000
2003-09-01	4.24000
2003-10-01	4.32000
2003-11-01	4.44000
2003-12-01	4.38000
2004-01-01	4.27000
2004-02-01	4.23000
2004-03-01	4.05000
2004-04-01	4.24000
2004-05-01	4.37000
2004-06-01	4.42000
2004-07-01	4.31000
2004-08-01	4.15000
2004-09-01	4.09000
2004-10-01	3.97000
2004-11-01	3.84000
2004-12-01	3.63000
2005-01-01	3.56000
2005-02-01	3.55000
2005-03-01	3.70000
2005-04-01	3.50000
2005-05-01	3.41000
2005-06-01	3.23000
2005-07-01	3.27000
2005-08-01	3.28000
2005-09-01	3.12000
2005-10-01	3.27000
2005-11-01	3.48000
2005-12-01	3.36000
2006-01-01	3.33000
2006-02-01	3.48000
2006-03-01	3.65000
2006-04-01	3.92000
2006-05-01	4.03000
2006-06-01	4.03000
2006-07-01	4.05000
2006-08-01	3.92000
2006-09-01	3.79000
2006-10-01	3.83000
2006-11-01	3.76000
2006-12-01	3.81000
2007-01-01	4.06000
2007-02-01	4.09000
2007-03-01	3.99000
2007-04-01	4.21000
2007-05-01	4.33000
2007-06-01	4.63000
2007-07-01	4.59000
2007-08-01	4.38000
2007-09-01	4.33000
2007-10-01	4.40000
2007-11-01	4.21000
2007-12-01	4.35000
2008-01-01	4.22000
2008-02-01	4.18000
2008-03-01	4.14000
2008-04-01	4.34000
2008-05-01	4.48000
2008-06-01	4.80000
2008-07-01	4.78000
2008-08-01	4.48000
2008-09-01	4.46000
2008-10-01	4.33000
2008-11-01	4.19000
2008-12-01	3.90000
2009-01-01	4.00000
2009-02-01	4.21000
2009-03-01	4.16000
2009-04-01	4.04000
2009-05-01	4.10000
2009-06-01	4.32000
2009-07-01	4.04000
2009-08-01	3.76000
2009-09-01	3.75000
2009-10-01	3.65000
2009-11-01	3.60000
2009-12-01	3.61000
2010-01-01	3.75000
2010-02-01	3.66000
2010-03-01	3.53000
2010-04-01	3.46000
2010-05-01	3.21000
2010-06-01	3.20000
2010-07-01	3.07000
2010-08-01	2.77000
2010-09-01	2.80000
2010-10-01	2.82000
2010-11-01	3.01000
2010-12-01	3.43000
2011-01-01	3.54000
2011-02-01	3.68000
2011-03-01	3.68000
2011-04-01	3.76000
2011-05-01	3.53000
2011-06-01	3.43000
2011-07-01	3.35000
2011-08-01	2.84000
2011-09-01	2.64000
2011-10-01	2.92000
2011-11-01	3.36000
2011-12-01	3.10000
2012-01-01	3.27000
2012-02-01	3.00000
2012-03-01	2.87000
2012-04-01	2.83000
2012-05-01	2.49000
2012-06-01	2.29000
2012-07-01	2.07000
2012-08-01	1.97000
2012-09-01	2.04000
2012-10-01	2.02000
2012-11-01	1.85000
2012-12-01	1.77000
2013-01-01	1.92000
2013-02-01	1.96000
2013-03-01	1.75000
2013-04-01	1.64000
2013-05-01	1.75000
2013-06-01	2.04000
2013-07-01	2.06000
2013-08-01	2.22000
2013-09-01	2.34000
2013-10-01	2.19000
2013-11-01	2.08000
2013-12-01	2.17000
2014-01-01	2.13000
2014-02-01	1.95000
2014-03-01	1.87000
2014-04-01	1.77000
2014-05-01	1.62000
2014-06-01	1.65000
2014-07-01	1.47000
2014-08-01	1.28000
2014-09-01	1.22000
2014-10-01	1.10000
2014-11-01	0.98000
2014-12-01	0.81000
2015-01-01	0.54000
2015-02-01	0.44000
2015-03-01	0.37000
2015-04-01	0.29000
2015-05-01	0.72547
2015-06-01	1.06382
2015-07-01	1.08413
2015-08-01	0.95981
2015-09-01	0.97064
2015-10-01	0.82973
2015-11-01	0.81938
2015-12-01	0.86324
2016-01-01	0.76721
2016-02-01	0.52601
2016-03-01	0.45724
2016-04-01	0.37961
2016-05-01	0.36661
2016-06-01	0.32766
2016-07-01	0.15833
2016-08-01	0.10683
2016-09-01	0.14841
2016-10-01	0.24071
2016-11-01	0.49164
2016-12-01	0.53445
2017-01-01	0.57045
2017-02-01	0.58985
2017-03-01	0.59235
2017-04-01	0.49030
2017-05-01	0.65170
2017-06-01	0.55468
2017-07-01	0.72924
2017-08-01	0.60617
2017-09-01	0.59110
2017-10-01	0.60618
2017-11-01	0.51445
2017-12-01	0.50271
2018-01-01	0.66923
2018-02-01	0.83565
2018-03-01	0.81341
2018-04-01	0.76252
2018-05-01	0.76061
2018-06-01	0.70643
2018-07-01	0.59595
2018-08-01	0.59730
2018-09-01	0.66540
2018-10-01	0.68752