Month	Percent
1992-10-01	4.780000000
1992-11-01	4.800000000
1992-12-01	4.800000000
1993-01-01	4.900000000
1993-02-01	5.100000000
1993-03-01	5.300000000
1993-04-01	5.400000000
1993-05-01	5.400000000
1993-06-01	5.200000000
1993-07-01	5.200000000
1993-08-01	5.200000000
1993-09-01	5.300000000
1993-10-01	5.300000000
1993-11-01	5.500000000
1993-12-01	5.700000000
1994-01-01	5.900000000
1994-02-01	6.300000000
1994-03-01	6.600000000
1994-04-01	7.000000000
1994-05-01	7.000000000
1994-06-01	7.000000000
1994-07-01	7.200000000
1994-08-01	7.300000000
1994-09-01	7.400000000
1994-10-01	7.500000000
1994-11-01	7.500000000
1994-12-01	7.500000000
1995-01-01	7.600000000
1995-02-01	7.900000000
1995-03-01	7.800000000
1995-04-01	8.000000000
1995-05-01	8.000000000
1995-06-01	8.100000000
1995-07-01	8.300000000
1995-08-01	8.500000000
1995-09-01	8.600000000
1995-10-01	8.800000000
1995-11-01	8.800000000
1995-12-01	8.800000000
1996-01-01	9.100000000
1996-02-01	9.200000000
1996-03-01	9.200000000
1996-04-01	9.500000000
1996-05-01	9.600000000
1996-06-01	9.600000000
1996-07-01	9.700000000
1996-08-01	9.700000000
1996-09-01	9.800000000
1996-10-01	9.800000000
1996-11-01	9.900000000
1996-12-01	10.000000000
1997-01-01	10.100000000
1997-02-01	10.300000000
1997-03-01	10.500000000
1997-04-01	10.700000000
1997-05-01	10.900000000
1997-06-01	10.900000000
1997-07-01	10.900000000
1997-08-01	10.900000000
1997-09-01	11.000000000
1997-10-01	11.100000000
1997-11-01	11.200000000
1997-12-01	11.200000000
1998-01-01	11.400000000
1998-02-01	11.600000000
1998-03-01	11.700000000
1998-04-01	11.700000000
1998-05-01	11.500000000
1998-06-01	11.300000000
1998-07-01	11.300000000
1998-08-01	11.600000000
1998-09-01	11.900000000
1998-10-01	12.300000000
1998-11-01	12.900000000
1998-12-01	13.300000000
1999-01-01	14.200000000
1999-02-01	14.600000000
1999-03-01	14.100000000
1999-04-01	13.400000000
1999-05-01	12.700000000
1999-06-01	12.300000000
1999-07-01	12.100000000
1999-08-01	12.000000000
1999-09-01	12.200000000
1999-10-01	12.400000000
1999-11-01	12.600000000
1999-12-01	12.400000000
2000-01-01	12.200000000
2000-02-01	12.100000000
2000-03-01	11.400000000
2000-04-01	10.800000000
2000-05-01	10.200000000
2000-06-01	10.100000000
2000-07-01	10.000000000
2000-08-01	9.800000000
2000-09-01	9.800000000
2000-10-01	9.800000000
2000-11-01	9.800000000
2000-12-01	9.900000000
2001-01-01	10.000000000
2001-02-01	10.200000000
2001-03-01	9.600000000
2001-04-01	9.100000000
2001-05-01	8.600000000
2001-06-01	8.600000000
2001-07-01	8.600000000
2001-08-01	8.600000000
2001-09-01	8.700000000
2001-10-01	8.800000000
2001-11-01	8.900000000
2001-12-01	8.700000000
2002-01-01	8.600000000
2002-02-01	8.400000000
2002-03-01	8.200000000
2002-04-01	8.000000000
2002-05-01	7.700000000
2002-06-01	7.500000000
2002-07-01	7.300000000
2002-08-01	7.200000000
2002-09-01	7.600000000
2002-10-01	8.100000000
2002-11-01	8.600000000
2002-12-01	8.800000000
2003-01-01	9.300000000
2003-02-01	9.600000000
2003-03-01	9.200000000
2003-04-01	8.800000000
2003-05-01	8.500000000
2003-06-01	8.400000000
2003-07-01	8.300000000
2003-08-01	8.200000000
2003-09-01	8.200000000
2003-10-01	8.200000000
2003-11-01	8.200000000
2003-12-01	8.600000000
2004-01-01	9.100000000
2004-02-01	9.500000000
2004-03-01	8.900000000
2004-04-01	8.200000000
2004-05-01	7.600000000
2004-06-01	7.500000000
2004-07-01	7.400000000
2004-08-01	7.300000000
2004-09-01	7.700000000
2004-10-01	8.000000000
2004-11-01	8.400000000
2004-12-01	8.300000000
2005-01-01	8.300000000
2005-02-01	8.300000000
2005-03-01	8.000000000
2005-04-01	7.600000000
2005-05-01	7.300000000
2005-06-01	7.300000000
2005-07-01	7.200000000
2005-08-01	7.100000000
2005-09-01	7.200000000
2005-10-01	7.300000000
2005-11-01	7.500000000
2005-12-01	7.600000000
2006-01-01	7.700000000
2006-02-01	7.900000000
2006-03-01	7.700000000
2006-04-01	7.600000000
2006-05-01	7.500000000
2006-06-01	7.200000000
2006-07-01	6.900000000
2006-08-01	6.600000000
2006-09-01	6.600000000
2006-10-01	6.700000000
2006-11-01	6.700000000
2006-12-01	6.900000000
2007-01-01	7.100000000
2007-02-01	7.200000000
2007-03-01	6.800000000
2007-04-01	6.400000000
2007-05-01	5.900000000
2007-06-01	5.800000000
2007-07-01	5.700000000
2007-08-01	5.600000000
2007-09-01	5.600000000
2007-10-01	5.600000000
2007-11-01	5.700000000
2007-12-01	6.100000000
2008-01-01	6.600000000
2008-02-01	7.100000000
2008-03-01	6.500000000
2008-04-01	6.000000000
2008-05-01	5.400000000
2008-06-01	5.600000000
2008-07-01	5.700000000
2008-08-01	5.800000000
2008-09-01	6.200000000
2008-10-01	6.600000000
2008-11-01	7.000000000
2008-12-01	7.800000000
2009-01-01	8.700000000
2009-02-01	9.400000000
2009-03-01	9.200000000
2009-04-01	8.800000000
2009-05-01	8.500000000
2009-06-01	8.300000000
2009-07-01	8.100000000
2009-08-01	7.800000000
2009-09-01	7.600000000
2009-10-01	7.700000000
2009-11-01	8.200000000
2009-12-01	8.200000000
2010-01-01	9.200000000
2010-02-01	8.600000000
2010-03-01	8.600000000
2010-04-01	8.200000000
2010-05-01	7.300000000
2010-06-01	6.800000000
2010-07-01	7.000000000
2010-08-01	6.800000000
2010-09-01	6.600000000
2010-10-01	6.800000000
2010-11-01	6.700000000
2010-12-01	7.200000000
2011-01-01	7.626429602
2011-02-01	7.439040335
2011-03-01	6.987899574
2011-04-01	7.054208481
2011-05-01	6.206827822
2011-06-01	5.952604521
2011-07-01	6.382374865
2011-08-01	6.017540919
2011-09-01	5.959837009
2011-10-01	6.204447818
2011-11-01	6.170201279
2011-12-01	5.992270957
2012-01-01	6.344814996
2012-02-01	6.230921906
2012-03-01	6.289603682
2012-04-01	5.589201487
2012-05-01	5.230118601
2012-06-01	5.209399261
2012-07-01	5.185579569
2012-08-01	4.978266740
2012-09-01	5.042582657
2012-10-01	5.144485641
2012-11-01	5.223892326
2012-12-01	5.075219037
2013-01-01	6.000000000
2013-02-01	5.756221388
2013-03-01	5.652693683
2013-04-01	5.552487959
2013-05-01	5.200000000
2013-06-01	5.414289563
2013-07-01	5.291981171
2013-08-01	5.187081208
2013-09-01	5.267934219
2013-10-01	5.473691708
2013-11-01	5.448044899
2013-12-01	5.579400213
2014-01-01	5.601408588
2014-02-01	5.622102170
2014-03-01	5.358836886
2014-04-01	5.317090001
2014-05-01	4.915242585
2014-06-01	4.878001055
2014-07-01	4.873934553
2014-08-01	4.818576470
2014-09-01	4.917179351
2014-10-01	5.104056612
2014-11-01	5.213197436
2014-12-01	5.270370316
2015-01-01	5.489141082
2015-02-01	5.816457005
2015-03-01	5.913224971
2015-04-01	5.812079951
2015-05-01	5.573169575
2015-06-01	5.350887287
2015-07-01	5.272560837
2015-08-01	5.254076417
2015-09-01	5.239161984
2015-10-01	5.541218853
2015-11-01	5.790910252
2015-12-01	5.767848266
2016-01-01	5.844368278
2016-02-01	5.832179610
2016-03-01	5.997759808
2016-04-01	5.924486060
2016-05-01	5.622241253
2016-06-01	5.434689466
2016-07-01	5.338333002
2016-08-01	5.208831859
2016-09-01	5.209256163
2016-10-01	5.352711982
2016-11-01	5.363200082
2016-12-01	5.337786582
2017-01-01	5.648231602
2017-02-01	5.599223774
2017-03-01	5.415765115
2017-04-01	5.345365038
2017-05-01	5.203334783
2017-06-01	5.063764598
2017-07-01	5.119726444
2017-08-01	4.946668118
2017-09-01	4.978599993
2017-10-01	5.050420983
2017-11-01	5.099104765
2017-12-01	5.079219370
2018-01-01	5.165484115
2018-02-01	5.025163446
2018-03-01	5.005211330
2018-04-01	4.884440908
2018-05-01	4.739191772
2018-06-01	4.657031490
2018-07-01	4.723151414
2018-08-01	4.561687110
2018-09-01	4.483564766