Month	Percent
1986-01-01	13.54000000000000
1986-02-01	13.35000000000000
1986-03-01	12.66000000000000
1986-04-01	12.54000000000000
1986-05-01	12.57000000000000
1986-06-01	12.41000000000000
1986-07-01	12.20000000000000
1986-08-01	12.13000000000000
1986-09-01	11.83000000000000
1986-10-01	11.38000000000000
1986-11-01	10.41000000000000
1986-12-01	10.11000000000000
1987-01-01	10.24000000000000
1987-02-01	10.60000000000000
1987-03-01	10.80000000000000
1987-04-01	11.34000000000000
1987-05-01	11.88000000000000
1987-06-01	12.20000000000000
1987-07-01	11.96000000000000
1987-08-01	11.65000000000000
1987-09-01	11.30000000000000
1987-10-01	10.09000000000000
1987-11-01	9.58000000000000
1987-12-01	9.33000000000000
1988-01-01	9.92000000000000
1988-02-01	10.02000000000000
1988-03-01	10.21000000000000
1988-04-01	10.34000000000000
1988-05-01	10.71000000000000
1988-06-01	10.70000000000000
1988-07-01	10.63000000000000
1988-08-01	10.32000000000000
1988-09-01	9.59000000000000
1988-10-01	8.76000000000000
1988-11-01	7.96000000000000
1988-12-01	7.62000000000000
1989-01-01	7.58000000000000
1989-02-01	7.85000000000000
1989-03-01	8.00000000000000
1989-04-01	8.44000000000000
1989-05-01	8.57000000000000
1989-06-01	8.38000000000000
1989-07-01	8.37000000000000
1989-08-01	8.08000000000000
1989-09-01	8.14000000000000
1989-10-01	7.57000000000000
1989-11-01	7.11000000000000
1989-12-01	6.79000000000000
1990-01-01	6.77000000000000
1990-02-01	7.07000000000000
1990-03-01	7.37000000000000
1990-04-01	7.82000000000000
1990-05-01	8.23000000000000
1990-06-01	8.46000000000000
1990-07-01	8.49000000000000
1990-08-01	8.31000000000000
1990-09-01	8.24000000000000
1990-10-01	8.02000000000000
1990-11-01	7.42000000000000
1990-12-01	7.30000000000000
1991-01-01	7.37000000000000
1991-02-01	7.90000000000000
1991-03-01	7.85000000000000
1991-04-01	8.11000000000000
1991-05-01	8.35000000000000
1991-06-01	9.05000000000000
1991-07-01	9.20000000000000
1991-08-01	9.29000000000000
1991-09-01	8.83000000000000
1991-10-01	8.11000000000000
1991-11-01	7.08000000000000
1991-12-01	6.75000000000000
1992-01-01	6.63000000000000
1992-02-01	6.75000000000000
1992-03-01	6.38000000000000
1992-04-01	6.36000000000000
1992-05-01	6.64000000000000
1992-06-01	6.89000000000000
1992-07-01	7.09000000000000
1992-08-01	7.08000000000000
1992-09-01	6.86000000000000
1992-10-01	6.55000000000000
1992-11-01	6.19000000000000
1992-12-01	6.22000000000000
1993-01-01	6.16000000000000
1993-02-01	6.33000000000000
1993-03-01	6.25000000000000
1993-04-01	6.39000000000000
1993-05-01	6.48000000000000
1993-06-01	6.72000000000000
1993-07-01	6.95000000000000
1993-08-01	6.96000000000000
1993-09-01	6.72000000000000
1993-10-01	6.30000000000000
1993-11-01	6.40000000000000
1993-12-01	6.80000000000000
1994-01-01	7.05000000000000
1994-02-01	7.05000000000000
1994-03-01	7.18000000000000
1994-04-01	7.58000000000000
1994-05-01	7.96000000000000
1994-06-01	8.26000000000000
1994-07-01	8.35000000000000
1994-08-01	8.49000000000000
1994-09-01	8.59000000000000
1994-10-01	8.37000000000000
1994-11-01	7.76000000000000
1994-12-01	7.51000000000000
1995-01-01	7.25000000000000
1995-02-01	7.34000000000000
1995-03-01	7.09000000000000
1995-04-01	7.48000000000000
1995-05-01	7.72000000000000
1995-06-01	7.94000000000000
1995-07-01	7.85000000000000
1995-08-01	7.59000000000000
1995-09-01	7.25000000000000
1995-10-01	6.81000000000000
1995-11-01	6.56000000000000
1995-12-01	6.96000000000000
1996-01-01	6.95000000000000
1996-02-01	6.57000000000000
1996-03-01	6.08000000000000
1996-04-01	6.26000000000000
1996-05-01	6.57000000000000
1996-06-01	7.05000000000000
1996-07-01	7.03000000000000
1996-08-01	6.77000000000000
1996-09-01	6.23000000000000
1996-10-01	5.87000000000000
1996-11-01	5.39000000000000
1996-12-01	5.43000000000000
1997-01-01	5.44000000000000
1997-02-01	5.83000000000000
1997-03-01	5.95000000000000
1997-04-01	6.33000000000000
1997-05-01	6.60000000000000
1997-06-01	6.69000000000000
1997-07-01	6.67000000000000
1997-08-01	6.69000000000000
1997-09-01	6.44000000000000
1997-10-01	5.96000000000000
1997-11-01	5.34000000000000
1997-12-01	5.24000000000000
1998-01-01	5.12000000000000
1998-02-01	5.29000000000000
1998-03-01	5.30000000000000
1998-04-01	5.66000000000000
1998-05-01	6.13000000000000
1998-06-01	6.47000000000000
1998-07-01	6.85000000000000
1998-08-01	6.86000000000000
1998-09-01	7.02000000000000
1998-10-01	7.26000000000000
1998-11-01	7.30000000000000
1998-12-01	7.61000000000000
1999-01-01	7.68000000000000
1999-02-01	8.37000000000000
1999-03-01	8.94000000000000
1999-04-01	10.10000000000000
1999-05-01	11.13000000000000
1999-06-01	11.50000000000000
1999-07-01	11.85000000000000
1999-08-01	11.77000000000000
1999-09-01	11.42000000000000
1999-10-01	10.41000000000000
1999-11-01	9.28000000000000
1999-12-01	8.75000000000000
2000-01-01	8.40000000000000
2000-02-01	8.59000000000000
2000-03-01	8.91000000000000
2000-04-01	9.31000000000000
2000-05-01	9.85000000000000
2000-06-01	10.70000000000000
2000-07-01	11.12000000000000
2000-08-01	11.34000000000000
2000-09-01	10.58000000000000
2000-10-01	10.02000000000000
2000-11-01	8.89000000000000
2000-12-01	8.96000000000000
2001-01-01	9.02000000000000
2001-02-01	9.49000000000000
2001-03-01	9.71000000000000
2001-04-01	10.27000000000000
2001-05-01	10.39000000000000
2001-06-01	10.52000000000000
2001-07-01	10.48000000000000
2001-08-01	10.89000000000000
2001-09-01	10.42000000000000
2001-10-01	9.61000000000000
2001-11-01	8.64000000000000
2001-12-01	8.78000000000000
2002-01-01	9.10000000000000
2002-02-01	9.60000000000000
2002-03-01	9.63000000000000
2002-04-01	9.93000000000000
2002-05-01	10.30000000000000
2002-06-01	10.27000000000000
2002-07-01	10.50000000000000
2002-08-01	10.63000000000000
2002-09-01	10.52000000000000
2002-10-01	9.74000000000000
2002-11-01	8.69000000000000
2002-12-01	8.52000000000000
2003-01-01	8.79000000000000
2003-02-01	9.21000000000000
2003-03-01	9.59000000000000
2003-04-01	9.79000000000000
2003-05-01	10.08000000000000
2003-06-01	10.12000000000000
2003-07-01	10.43000000000000
2003-08-01	10.42000000000000
2003-09-01	9.89000000000000
2003-10-01	9.12000000000000
2003-11-01	8.45000000000000
2003-12-01	8.40000000000000
2004-01-01	8.44000000000000
2004-02-01	9.17000000000000
2004-03-01	9.91000000000000
2004-04-01	10.70000000000000
2004-05-01	10.91000000000000
2004-06-01	10.98000000000000
2004-07-01	11.21000000000000
2004-08-01	11.08000000000000
2004-09-01	10.77000000000000
2004-10-01	9.74000000000000
2004-11-01	8.87000000000000
2004-12-01	8.62000000000000
2005-01-01	8.79000000000000
2005-02-01	9.07000000000000
2005-03-01	9.39000000000000
2005-04-01	9.62000000000000
2005-05-01	10.10000000000000
2005-06-01	10.03000000000000
2005-07-01	10.07000000000000
2005-08-01	9.83000000000000
2005-09-01	9.40000000000000
2005-10-01	8.75000000000000
2005-11-01	7.94000000000000
2005-12-01	7.71000000000000
2006-01-01	7.80000000000000
2006-02-01	8.35000000000000
2006-03-01	8.58000000000000
2006-04-01	8.76000000000000
2006-05-01	8.93000000000000
2006-06-01	8.79000000000000
2006-07-01	8.53000000000000
2006-08-01	7.92000000000000
2006-09-01	7.35000000000000
2006-10-01	6.63000000000000
2006-11-01	6.00000000000000
2006-12-01	6.07000000000000
2007-01-01	6.36000000000000
2007-02-01	6.73000000000000
2007-03-01	6.83000000000000
2007-04-01	6.74000000000000
2007-05-01	6.87000000000000
2007-06-01	7.03000000000000
2007-07-01	7.63000000000000
2007-08-01	7.71000000000000
2007-09-01	7.73000000000000
2007-10-01	7.33000000000000
2007-11-01	7.21000000000000
2007-12-01	7.19000000000000
2008-01-01	7.33000000000000
2008-02-01	7.55000000000000
2008-03-01	7.64000000000000
2008-04-01	7.95000000000000
2008-05-01	8.39000000000000
2008-06-01	8.35000000000000
2008-07-01	8.19000000000000
2008-08-01	7.76000000000000
2008-09-01	7.54000000000000
2008-10-01	7.50000000000000
2008-11-01	7.47000000000000
2008-12-01	7.98000000000000
2009-01-01	8.53000000000000
2009-02-01	9.20000000000000
2009-03-01	9.80000000000000
2009-04-01	10.20000000000000
2009-05-01	10.70000000000000
2009-06-01	10.80000000000000
2009-07-01	10.80000000000000
2009-08-01	10.20000000000000
2009-09-01	9.70000000000000
2009-10-01	9.10000000000000
2009-11-01	8.60000000000000
2009-12-01	8.70000000000000
2010-01-01	8.50000000000000
2010-02-01	9.00000000000000
2010-03-01	8.60000000000000
2010-04-01	8.80000000000000
2010-05-01	8.50000000000000
2010-06-01	8.30000000000000
2010-07-01	8.30000000000000
2010-08-01	8.00000000000000
2010-09-01	7.60000000000000
2010-10-01	7.10000000000000
2010-11-01	7.10000000000000
2010-12-01	7.30000000000000
2011-01-01	7.30000000000000
2011-02-01	7.30000000000000
2011-03-01	7.00000000000000
2011-04-01	7.20000000000000
2011-05-01	7.20000000000000
2011-06-01	7.50000000000000
2011-07-01	7.40000000000000
2011-08-01	7.40000000000000
2011-09-01	7.20000000000000
2011-10-01	7.10000000000000
2011-11-01	6.60000000000000
2011-12-01	6.60000000000000
2012-01-01	6.40000000000000
2012-02-01	6.60000000000000
2012-03-01	6.52540890230065
2012-04-01	6.70901672534596
2012-05-01	6.57222515934442
2012-06-01	6.52599299127079
2012-07-01	6.44699424394241
2012-08-01	6.50401718154451
2012-09-01	6.57130007364224
2012-10-01	6.19441586777583
2012-11-01	6.05446045145645
2012-12-01	5.96454508283898
2013-01-01	6.16450721769209
2013-02-01	6.20344831275753
2013-03-01	6.35979203614900
2013-04-01	6.39968119034083
2013-05-01	6.16893216652344
2013-06-01	5.74782755428796
2013-07-01	5.71790529483387
2013-08-01	5.69026334283899
2013-09-01	5.82355072542760
2013-10-01	5.70368763070797
2013-11-01	5.66686663825315
2013-12-01	6.11567399635537
2014-01-01	6.13426254208611
2014-02-01	6.45066994866070
2014-03-01	6.10791096177561
2014-04-01	6.28226150897941
2014-05-01	6.45093794790865
2014-06-01	6.47321328243669
2014-07-01	6.69857701622986
2014-08-01	6.63531176470188
2014-09-01	6.41006953801607
2014-10-01	6.05219942950713
2014-11-01	6.02869446550228
2014-12-01	6.15002089921526
2015-01-01	6.10539562595960
2015-02-01	6.13100295575144
2015-03-01	6.14844614004894
2015-04-01	6.56606740940787
2015-05-01	6.51635186405057
2015-06-01	6.57321321303583
2015-07-01	6.46431309882378
2015-08-01	6.42325548917390
2015-09-01	6.31455417455724
2015-10-01	6.06309231229065
2015-11-01	5.78426434566424
2015-12-01	5.83516130273985
2016-01-01	5.91081058006516
2016-02-01	6.26318633602344
2016-03-01	6.35178658374672
2016-04-01	6.78441961864044
2016-05-01	6.87708995768557
2016-06-01	7.14192478124280
2016-07-01	6.88050072989378
2016-08-01	6.75105963630345
2016-09-01	6.41619008158273
2016-10-01	6.23380474161795
2016-11-01	6.06871397338466
2016-12-01	6.21943642021135
2017-01-01	6.37668865402860
2017-02-01	6.61056168632414
2017-03-01	6.65831931058310
2017-04-01	7.02035832653690
2017-05-01	7.01950096828788
2017-06-01	6.86966729411135
2017-07-01	6.64043185512990
2017-08-01	6.70324795747083
2017-09-01	6.74426484945672
2017-10-01	6.46727495480300
2017-11-01	6.36144330938435
2017-12-01	6.50965110521808
2018-01-01	6.66347095667870
2018-02-01	6.90407843942372
2018-03-01	6.73236712074221
2018-04-01	6.98883381420592
2018-05-01	7.15043170763290
2018-06-01	7.31873066544196
2018-07-01	7.34108441932018
2018-08-01	7.08021240086775