Month	Percent
1986-01-01	11.95000000000000
1986-02-01	11.75000000000000
1986-03-01	11.17000000000000
1986-04-01	11.39000000000000
1986-05-01	11.63000000000000
1986-06-01	11.48000000000000
1986-07-01	11.18000000000000
1986-08-01	11.02000000000000
1986-09-01	10.67000000000000
1986-10-01	10.21000000000000
1986-11-01	9.19000000000000
1986-12-01	8.72000000000000
1987-01-01	8.61000000000000
1987-02-01	8.97000000000000
1987-03-01	9.24000000000000
1987-04-01	9.83000000000000
1987-05-01	10.30000000000000
1987-06-01	10.69000000000000
1987-07-01	10.67000000000000
1987-08-01	10.46000000000000
1987-09-01	10.01000000000000
1987-10-01	8.88000000000000
1987-11-01	8.17000000000000
1987-12-01	7.95000000000000
1988-01-01	8.18000000000000
1988-02-01	8.26000000000000
1988-03-01	8.45000000000000
1988-04-01	8.76000000000000
1988-05-01	9.13000000000000
1988-06-01	9.13000000000000
1988-07-01	8.95000000000000
1988-08-01	8.66000000000000
1988-09-01	8.07000000000000
1988-10-01	7.33000000000000
1988-11-01	6.51000000000000
1988-12-01	6.18000000000000
1989-01-01	6.17000000000000
1989-02-01	6.48000000000000
1989-03-01	6.55000000000000
1989-04-01	7.15000000000000
1989-05-01	7.40000000000000
1989-06-01	7.34000000000000
1989-07-01	7.33000000000000
1989-08-01	7.20000000000000
1989-09-01	7.28000000000000
1989-10-01	6.58000000000000
1989-11-01	6.06000000000000
1989-12-01	5.62000000000000
1990-01-01	5.70000000000000
1990-02-01	5.95000000000000
1990-03-01	6.28000000000000
1990-04-01	6.77000000000000
1990-05-01	7.42000000000000
1990-06-01	7.85000000000000
1990-07-01	7.99000000000000
1990-08-01	7.78000000000000
1990-09-01	7.76000000000000
1990-10-01	7.32000000000000
1990-11-01	6.62000000000000
1990-12-01	6.34000000000000
1991-01-01	6.38000000000000
1991-02-01	6.81000000000000
1991-03-01	6.80000000000000
1991-04-01	7.30000000000000
1991-05-01	7.69000000000000
1991-06-01	8.40000000000000
1991-07-01	8.37000000000000
1991-08-01	8.37000000000000
1991-09-01	7.93000000000000
1991-10-01	7.17000000000000
1991-11-01	6.07000000000000
1991-12-01	5.72000000000000
1992-01-01	5.67000000000000
1992-02-01	5.73000000000000
1992-03-01	5.32000000000000
1992-04-01	5.48000000000000
1992-05-01	5.87000000000000
1992-06-01	6.26000000000000
1992-07-01	6.18000000000000
1992-08-01	6.02000000000000
1992-09-01	5.62000000000000
1992-10-01	5.42000000000000
1992-11-01	4.94000000000000
1992-12-01	4.88000000000000
1993-01-01	4.76000000000000
1993-02-01	4.93000000000000
1993-03-01	5.03000000000000
1993-04-01	5.29000000000000
1993-05-01	5.53000000000000
1993-06-01	5.76000000000000
1993-07-01	5.88000000000000
1993-08-01	5.85000000000000
1993-09-01	5.70000000000000
1993-10-01	5.34000000000000
1993-11-01	5.27000000000000
1993-12-01	5.27000000000000
1994-01-01	5.42000000000000
1994-02-01	5.45000000000000
1994-03-01	5.79000000000000
1994-04-01	6.25000000000000
1994-05-01	6.88000000000000
1994-06-01	7.45000000000000
1994-07-01	7.62000000000000
1994-08-01	7.84000000000000
1994-09-01	7.65000000000000
1994-10-01	7.20000000000000
1994-11-01	6.53000000000000
1994-12-01	6.36000000000000
1995-01-01	6.14000000000000
1995-02-01	6.15000000000000
1995-03-01	5.90000000000000
1995-04-01	6.40000000000000
1995-05-01	6.76000000000000
1995-06-01	7.09000000000000
1995-07-01	7.07000000000000
1995-08-01	6.73000000000000
1995-09-01	6.33000000000000
1995-10-01	5.80000000000000
1995-11-01	5.48000000000000
1995-12-01	5.72000000000000
1996-01-01	5.81000000000000
1996-02-01	5.48000000000000
1996-03-01	5.15000000000000
1996-04-01	5.42000000000000
1996-05-01	5.85000000000000
1996-06-01	6.43000000000000
1996-07-01	6.45000000000000
1996-08-01	6.28000000000000
1996-09-01	5.74000000000000
1996-10-01	5.35000000000000
1996-11-01	4.77000000000000
1996-12-01	4.75000000000000
1997-01-01	4.66000000000000
1997-02-01	4.92000000000000
1997-03-01	5.05000000000000
1997-04-01	5.41000000000000
1997-05-01	5.90000000000000
1997-06-01	6.00000000000000
1997-07-01	6.00000000000000
1997-08-01	5.90000000000000
1997-09-01	5.72000000000000
1997-10-01	5.34000000000000
1997-11-01	4.74000000000000
1997-12-01	4.52000000000000
1998-01-01	4.28000000000000
1998-02-01	4.48000000000000
1998-03-01	4.53000000000000
1998-04-01	4.99000000000000
1998-05-01	5.40000000000000
1998-06-01	5.74000000000000
1998-07-01	6.13000000000000
1998-08-01	6.23000000000000
1998-09-01	6.61000000000000
1998-10-01	6.99000000000000
1998-11-01	7.12000000000000
1998-12-01	7.38000000000000
1999-01-01	7.56000000000000
1999-02-01	8.15000000000000
1999-03-01	8.65000000000000
1999-04-01	9.75000000000000
1999-05-01	10.82000000000000
1999-06-01	11.24000000000000
1999-07-01	11.73000000000000
1999-08-01	11.51000000000000
1999-09-01	10.97000000000000
1999-10-01	9.76000000000000
1999-11-01	8.66000000000000
1999-12-01	8.17000000000000
2000-01-01	7.76000000000000
2000-02-01	7.77000000000000
2000-03-01	8.25000000000000
2000-04-01	8.79000000000000
2000-05-01	9.72000000000000
2000-06-01	10.60000000000000
2000-07-01	11.05000000000000
2000-08-01	11.17000000000000
2000-09-01	10.44000000000000
2000-10-01	9.79000000000000
2000-11-01	8.64000000000000
2000-12-01	8.55000000000000
2001-01-01	8.63000000000000
2001-02-01	9.06000000000000
2001-03-01	9.36000000000000
2001-04-01	10.03000000000000
2001-05-01	10.39000000000000
2001-06-01	10.59000000000000
2001-07-01	10.54000000000000
2001-08-01	10.94000000000000
2001-09-01	10.29000000000000
2001-10-01	9.57000000000000
2001-11-01	8.53000000000000
2001-12-01	8.57000000000000
2002-01-01	8.64000000000000
2002-02-01	9.11000000000000
2002-03-01	9.29000000000000
2002-04-01	9.69000000000000
2002-05-01	10.21000000000000
2002-06-01	10.35000000000000
2002-07-01	10.69000000000000
2002-08-01	10.73000000000000
2002-09-01	10.55000000000000
2002-10-01	9.59000000000000
2002-11-01	8.48000000000000
2002-12-01	8.29000000000000
2003-01-01	8.45000000000000
2003-02-01	8.54000000000000
2003-03-01	8.58000000000000
2003-04-01	9.03000000000000
2003-05-01	9.63000000000000
2003-06-01	9.88000000000000
2003-07-01	10.08000000000000
2003-08-01	10.13000000000000
2003-09-01	9.65000000000000
2003-10-01	8.92000000000000
2003-11-01	8.21000000000000
2003-12-01	8.15000000000000
2004-01-01	8.05000000000000
2004-02-01	8.51000000000000
2004-03-01	9.00000000000000
2004-04-01	9.94000000000000
2004-05-01	10.35000000000000
2004-06-01	10.66000000000000
2004-07-01	10.68000000000000
2004-08-01	10.49000000000000
2004-09-01	10.10000000000000
2004-10-01	8.95000000000000
2004-11-01	8.08000000000000
2004-12-01	7.85000000000000
2005-01-01	8.01000000000000
2005-02-01	8.01000000000000
2005-03-01	8.21000000000000
2005-04-01	8.63000000000000
2005-05-01	9.40000000000000
2005-06-01	9.50000000000000
2005-07-01	9.60000000000000
2005-08-01	9.23000000000000
2005-09-01	8.70000000000000
2005-10-01	7.99000000000000
2005-11-01	7.25000000000000
2005-12-01	7.04000000000000
2006-01-01	6.95000000000000
2006-02-01	7.10000000000000
2006-03-01	7.09000000000000
2006-04-01	7.42000000000000
2006-05-01	7.78000000000000
2006-06-01	7.92000000000000
2006-07-01	7.67000000000000
2006-08-01	7.06000000000000
2006-09-01	6.56000000000000
2006-10-01	6.05000000000000
2006-11-01	5.47000000000000
2006-12-01	5.49000000000000
2007-01-01	5.64000000000000
2007-02-01	5.71000000000000
2007-03-01	5.68000000000000
2007-04-01	5.79000000000000
2007-05-01	6.23000000000000
2007-06-01	6.55000000000000
2007-07-01	6.98000000000000
2007-08-01	6.95000000000000
2007-09-01	6.91000000000000
2007-10-01	6.46000000000000
2007-11-01	6.26000000000000
2007-12-01	6.27000000000000
2008-01-01	6.25000000000000
2008-02-01	6.36000000000000
2008-03-01	6.35000000000000
2008-04-01	6.84000000000000
2008-05-01	7.29000000000000
2008-06-01	7.30000000000000
2008-07-01	7.12000000000000
2008-08-01	6.73000000000000
2008-09-01	6.58000000000000
2008-10-01	6.61000000000000
2008-11-01	6.74000000000000
2008-12-01	7.24000000000000
2009-01-01	7.74000000000000
2009-02-01	8.20000000000000
2009-03-01	8.90000000000000
2009-04-01	9.60000000000000
2009-05-01	10.30000000000000
2009-06-01	10.30000000000000
2009-07-01	10.20000000000000
2009-08-01	9.70000000000000
2009-09-01	9.40000000000000
2009-10-01	8.80000000000000
2009-11-01	8.10000000000000
2009-12-01	7.90000000000000
2010-01-01	7.70000000000000
2010-02-01	7.90000000000000
2010-03-01	7.40000000000000
2010-04-01	7.60000000000000
2010-05-01	7.50000000000000
2010-06-01	7.50000000000000
2010-07-01	7.50000000000000
2010-08-01	7.20000000000000
2010-09-01	6.80000000000000
2010-10-01	6.20000000000000
2010-11-01	6.20000000000000
2010-12-01	6.30000000000000
2011-01-01	6.30000000000000
2011-02-01	6.20000000000000
2011-03-01	5.80000000000000
2011-04-01	5.90000000000000
2011-05-01	6.00000000000000
2011-06-01	6.50000000000000
2011-07-01	6.60000000000000
2011-08-01	6.50000000000000
2011-09-01	6.20000000000000
2011-10-01	5.90000000000000
2011-11-01	5.50000000000000
2011-12-01	5.70000000000000
2012-01-01	5.40000000000000
2012-02-01	5.20000000000000
2012-03-01	5.23566642809553
2012-04-01	5.46869044001693
2012-05-01	5.79635374669517
2012-06-01	5.63117453205749
2012-07-01	5.58594992641550
2012-08-01	5.45534836304289
2012-09-01	5.65020955941134
2012-10-01	5.27433489303128
2012-11-01	5.22532026752122
2012-12-01	5.06128128588517
2013-01-01	5.28527416670622
2013-02-01	5.32842219119041
2013-03-01	5.39122903731689
2013-04-01	5.57093439574322
2013-05-01	5.53392298237686
2013-06-01	5.37031801426723
2013-07-01	5.21109177147074
2013-08-01	5.17090662585555
2013-09-01	5.15279820726257
2013-10-01	5.15728573224816
2013-11-01	5.08230584161808
2013-12-01	5.46439339703083
2014-01-01	5.59417710536205
2014-02-01	5.98670573497195
2014-03-01	5.86283298026594
2014-04-01	5.94634898083051
2014-05-01	6.22311773797170
2014-06-01	6.33766436472604
2014-07-01	6.49053143909809
2014-08-01	6.31797226121216
2014-09-01	6.06905843331406
2014-10-01	5.71729693328634
2014-11-01	5.63394954141448
2014-12-01	5.57862007356996
2015-01-01	5.56373335281334
2015-02-01	5.36117296734144
2015-03-01	5.40748386054835
2015-04-01	5.72330927772090
2015-05-01	5.91596347727138
2015-06-01	6.08861245175866
2015-07-01	6.15822422982475
2015-08-01	6.06894842930936
2015-09-01	6.16192488687493
2015-10-01	6.00233477867411
2015-11-01	5.77321739513619
2015-12-01	5.42670633920888
2016-01-01	5.31894009675310
2016-02-01	5.60767235845341
2016-03-01	5.85415820280762
2016-04-01	6.39689121927304
2016-05-01	6.60331363804501
2016-06-01	6.86629497390501
2016-07-01	6.57722956381357
2016-08-01	6.43624241469649
2016-09-01	6.03121002305177
2016-10-01	5.90166421855754
2016-11-01	5.84502709613355
2016-12-01	6.01871044989871
2017-01-01	6.11137440329670
2017-02-01	5.97178508062540
2017-03-01	6.10776528695294
2017-04-01	6.35270554807981
2017-05-01	6.63806120050348
2017-06-01	6.52807818122996
2017-07-01	6.51623981842339
2017-08-01	6.56469359180457
2017-09-01	6.34993373574848
2017-10-01	6.18278449518479
2017-11-01	6.01566587487628
2017-12-01	6.20083609039868
2018-01-01	6.16958197579078
2018-02-01	6.18347908869148
2018-03-01	6.02307941858414
2018-04-01	6.22041477725542
2018-05-01	6.58665199966511
2018-06-01	6.75351176698582
2018-07-01	6.97895683298624
2018-08-01	6.83223435901300