Month	Percent
1992-01-01	8.20000000
1992-02-01	8.00000000
1992-03-01	7.90000000
1992-04-01	6.90000000
1992-05-01	6.90000000
1992-06-01	6.00000000
1992-07-01	7.20000000
1992-08-01	7.40000000
1992-09-01	7.40000000
1992-10-01	7.70000000
1992-11-01	7.90000000
1992-12-01	7.80000000
1993-01-01	7.60000000
1993-02-01	7.40000000
1993-03-01	7.10000000
1993-04-01	7.10000000
1993-05-01	7.10000000
1993-06-01	7.10000000
1993-07-01	6.20000000
1993-08-01	6.20000000
1993-09-01	6.80000000
1993-10-01	6.50000000
1993-11-01	5.20000000
1993-12-01	4.90000000
1994-01-01	5.00000000
1994-02-01	5.00000000
1994-03-01	4.90000000
1994-04-01	4.90000000
1994-05-01	4.80000000
1994-06-01	4.90000000
1994-07-01	5.10000000
1994-08-01	5.10000000
1994-09-01	5.10000000
1994-10-01	5.10000000
1994-11-01	5.10000000
1994-12-01	5.10000000
1995-01-01	5.10000000
1995-02-01	5.30000000
1995-03-01	5.30000000
1995-04-01	5.80000000
1995-05-01	5.80000000
1995-06-01	5.80000000
1995-07-01	5.90000000
1995-08-01	5.90000000
1995-09-01	5.90000000
1995-10-01	5.70000000
1995-11-01	5.60000000
1995-12-01	5.70000000
1996-01-01	5.90000000
1996-02-01	5.70000000
1996-03-01	5.70000000
1996-04-01	5.50000000
1996-05-01	5.30000000
1996-06-01	5.40000000
1996-07-01	5.50000000
1996-08-01	5.50000000
1996-09-01	5.60000000
1996-10-01	5.90000000
1996-11-01	5.70000000
1996-12-01	5.80000000
1997-01-01	5.70000000
1997-02-01	5.80000000
1997-03-01	5.80000000
1997-04-01	5.60000000
1997-05-01	5.70000000
1997-06-01	5.50000000
1997-07-01	5.20000000
1997-08-01	5.40000000
1997-09-01	5.30000000
1997-10-01	5.30000000
1997-11-01	5.40000000
1997-12-01	5.30000000
1998-01-01	5.20000000
1998-02-01	5.10000000
1998-03-01	4.80000000
1998-04-01	4.80000000
1998-05-01	4.80000000
1998-06-01	4.80000000
1998-07-01	4.80000000
1998-08-01	4.80000000
1998-09-01	4.40000000
1998-10-01	4.30000000
1998-11-01	4.38000000
1998-12-01	4.30000000
1999-01-01	4.05000000
1999-02-01	4.10000000
1999-03-01	4.25000000
1999-04-01	4.10000000
1999-05-01	4.10000000
1999-06-01	4.17000000
1999-07-01	4.17000000
1999-08-01	4.31000000
1999-09-01	4.35000000
1999-10-01	4.55000000
1999-11-01	4.60000000
1999-12-01	4.67000000
2000-01-01	4.84000000
2000-02-01	4.60000000
2000-03-01	4.90000000
2000-04-01	5.15000000
2000-05-01	5.50000000
2000-06-01	5.35000000
2000-07-01	5.60000000
2000-08-01	5.60000000
2000-09-01	5.50000000
2000-10-01	5.55000000
2000-11-01	5.55000000
2000-12-01	5.50000000
2001-01-01	5.56000000
2001-02-01	5.56000000
2001-03-01	5.45000000
2001-04-01	5.70000000
2001-05-01	5.03000000
2001-06-01	5.06000000
2001-07-01	5.37000000
2001-08-01	5.13000000
2001-09-01	4.93000000
2001-10-01	5.16000000
2001-11-01	5.10000000
2001-12-01	5.08000000
2002-01-01	5.16000000
2002-02-01	5.43000000
2002-03-01	5.33000000
2002-04-01	5.39000000
2002-05-01	5.34000000
2002-06-01	5.40000000
2002-07-01	5.34000000
2002-08-01	5.28550000
2002-09-01	5.14150000
2002-10-01	5.00920000
2002-11-01	4.97790000
2002-12-01	4.97790000
2003-01-01	4.70000000
2003-02-01	4.70000000
2003-03-01	4.80000000
2003-04-01	4.60000000
2003-05-01	4.40000000
2003-06-01	4.30000000
2003-07-01	4.20000000
2003-08-01	4.02900000
2003-09-01	4.34470000
2003-10-01	4.20000000
2003-11-01	4.30000000
2003-12-01	4.30000000
2004-01-01	4.30000000
2004-02-01	3.96000000
2004-03-01	3.90000000
2004-04-01	3.68000000
2004-05-01	4.03000000
2004-06-01	3.90000000
2004-07-01	3.86000000
2004-08-01	3.68000000
2004-09-01	3.69000000
2004-10-01	3.68000000
2004-11-01	3.61000000
2004-12-01	3.61000000
2005-01-01	3.49000000
2005-02-01	3.44000000
2005-03-01	3.63000000
2005-04-01	3.54000000
2005-05-01	3.62000000
2005-06-01	3.56000000
2005-07-01	3.66000000
2005-08-01	3.60000000
2005-09-01	3.60000000
2005-10-01	4.00000000
2005-11-01	4.22000000
2005-12-01	4.09000000
2006-01-01	4.46000000
2006-02-01	4.04000000
2006-03-01	4.37000000
2006-04-01	4.26290000
2006-05-01	4.02740000
2006-06-01	4.38040000
2006-07-01	4.46010000
2006-08-01	4.28020000
2006-09-01	4.10370000
2006-10-01	4.55270000
2006-11-01	4.77780000
2006-12-01	4.86610000
2007-01-01	4.81524212
2007-02-01	4.91612464
2007-03-01	4.61409083
2007-04-01	4.68994742
2007-05-01	4.71316657
2007-06-01	4.74188682
2007-07-01	5.00427138
2007-08-01	4.78644177
2007-09-01	4.92983434
2007-10-01	5.41929016
2007-11-01	5.61506423
2007-12-01	5.30003856
2008-01-01	4.92693030
2008-02-01	4.63739579
2008-03-01	4.39685730
2008-04-01	4.38174859
2008-05-01	4.41847242
2008-06-01	4.39523663
2008-07-01	4.25640219
2008-08-01	4.36200111
2008-09-01	3.69109269
2008-10-01	3.95021519
2008-11-01	3.96088705
2008-12-01	4.22500072
2009-01-01	4.27197519
2009-02-01	5.14116784
2009-03-01	4.88000000
2009-04-01	4.60000000
2009-05-01	4.00000000
2009-06-01	4.34000000
2009-07-01	4.41000000
2009-08-01	4.24000000
2009-09-01	4.08000000
2009-10-01	3.94000000
2009-11-01	3.87000000
2009-12-01	3.82000000
2010-01-01	3.87000000
2010-02-01	3.64000000
2010-03-01	3.83000000
2010-04-01	3.70000000
2010-05-01	3.60000000
2010-06-01	3.48000000
2010-07-01	3.49000000
2010-08-01	2.94000000
2010-09-01	3.36000000
2010-10-01	3.46000000
2010-11-01	3.31000000
2010-12-01	3.24000000
2011-01-01	3.27000000
2011-02-01	3.08000000
2011-03-01	2.97000000
2011-04-01	2.85000000
2011-05-01	3.13000000
2011-06-01	3.13000000
2011-07-01	3.22000000
2011-08-01	3.09000000
2011-09-01	3.04000000
2011-10-01	2.63000000
2011-11-01	2.51000000
2011-12-01	2.44000000
2012-01-01	2.22000000
2012-02-01	2.09000000
2012-03-01	2.19000000
2012-04-01	2.17000000
2012-05-01	2.46000000
2012-06-01	2.51000000
2012-07-01	2.41000000
2012-08-01	2.15000000
2012-09-01	2.19000000
2012-10-01	2.14000000
2012-11-01	2.39000000
2012-12-01	2.40000000
2013-01-01	2.21000000
2013-02-01	2.37000000
2013-03-01	2.51000000
2013-04-01	2.67000000
2013-05-01	2.54000000
2013-06-01	2.68000000
2013-07-01	2.48000000
2013-08-01	2.35000000
2013-09-01	2.45000000
2013-10-01	2.66000000
2013-11-01	2.77000000
2013-12-01	2.93000000
2014-01-01	3.03000000
2014-02-01	3.13000000
2014-03-01	3.31000000
2014-04-01	3.10000000
2014-05-01	3.10000000
2014-06-01	3.32000000
2014-07-01	3.32000000
2014-08-01	3.28000000
2014-09-01	3.29000000
2014-10-01	3.20000000
2014-11-01	3.15000000
2014-12-01	3.19000000
2015-01-01	3.09000000
2015-02-01	2.79000000
2015-03-01	2.56000000
2015-04-01	2.83000000
2015-05-01	2.86000000
2015-06-01	2.69000000
2015-07-01	2.38000000
2015-08-01	2.40000000
2015-09-01	2.58000000
2015-10-01	2.30000000
2015-11-01	2.81000000
2015-12-01	2.64000000
2016-01-01	2.78000000
2016-02-01	2.66000000
2016-03-01	2.71000000
2016-04-01	2.76000000
2016-05-01	2.80000000
2016-06-01	2.95000000
2016-07-01	3.13000000
2016-08-01	2.70000000
2016-09-01	2.72000000
2016-10-01	2.78000000
2016-11-01	2.71000000
2016-12-01	2.61000000
2017-01-01	2.60000000
2017-02-01	2.59000000
2017-03-01	2.55000000
2017-04-01	2.37000000
2017-05-01	2.27000000
2017-06-01	2.17000000
2017-07-01	2.08000000
2017-08-01	2.06000000
2017-09-01	2.18000000
2017-10-01	2.01000000
2017-11-01	1.88000000
2017-12-01	1.83000000
2018-01-01	1.91000000
2018-02-01	1.96000000
2018-03-01	1.91000000
2018-04-01	1.94000000
2018-05-01	1.98000000
2018-06-01	1.97000000
2018-07-01	1.90000000
2018-08-01	1.84000000
2018-09-01	1.80000000