Monthly Percent
1991-03-01 13.76700
1991-04-01 13.43300
1991-05-01 13.05900
1991-06-01 13.09300
1991-07-01 13.33700
1991-08-01 13.44800
1991-09-01 13.01700
1991-10-01 12.79000
1991-11-01 12.90700
1991-12-01 12.95200
1992-01-01 12.67700
1992-02-01 12.60700
1992-03-01 12.57400
1992-04-01 12.68900
1992-05-01 12.57800
1992-06-01 13.10100
1992-07-01 13.62900
1992-08-01 13.67900
1992-09-01 14.11200
1992-10-01 14.41900
1992-11-01 13.46500
1992-12-01 13.65900
1993-01-01 13.43000
1993-02-01 13.06200
1993-03-01 12.90100
1993-04-01 13.10700
1993-05-01 12.46300
1993-06-01 11.67300
1993-07-01 11.09600
1993-08-01 9.76300
1993-09-01 9.46900
1993-10-01 9.01500
1993-11-01 9.33200
1993-12-01 8.93200
1994-01-01 8.67100
1994-02-01 8.76600
1994-03-01 9.44500
1994-04-01 9.04600
1994-05-01 9.37100
1994-06-01 10.47600
1994-07-01 10.76700
1994-08-01 11.45800
1994-09-01 11.93700
1994-10-01 12.07000
1994-11-01 12.02300
1994-12-01 12.19600
1995-01-01 12.37000
1995-02-01 12.39100
1995-03-01 13.45200
1995-04-01 13.40400
1995-05-01 12.29900
1995-06-01 12.38300
1995-07-01 12.21200
1995-08-01 11.65500
1995-09-01 11.54400
1995-10-01 11.96200
1995-11-01 11.62700
1995-12-01 11.17100
1996-01-01 10.43100
1996-02-01 10.51800
1996-03-01 10.68700
1996-04-01 10.33900
1996-05-01 9.69500
1996-06-01 9.57000
1996-07-01 9.42800
1996-08-01 9.48300
1996-09-01 9.16800
1996-10-01 8.23200
1996-11-01 7.69200
1996-12-01 7.56500
1997-01-01 7.37500
1997-02-01 7.36300
1997-03-01 7.86900
1997-04-01 7.73600
1997-05-01 7.31900
1997-06-01 7.06600
1997-07-01 6.51800
1997-08-01 6.65700
1997-09-01 6.35500
1997-10-01 6.19600
1997-11-01 6.13200
1997-12-01 5.73700
1998-01-01 5.43400
1998-02-01 5.37500
1998-03-01 5.19800
1998-04-01 5.14600
1998-05-01 5.20800
1998-06-01 5.07800
1998-07-01 4.97000
1998-08-01 4.78600
1998-09-01 4.53000
1998-10-01 4.49000
1998-11-01 4.38000
1998-12-01 3.99500
1999-01-01 3.92200
1999-02-01 4.05400
1999-03-01 4.27000
1999-04-01 4.11000
1999-05-01 4.27900
1999-06-01 4.61500
1999-07-01 4.93800
1999-08-01 5.13000
1999-09-01 5.28200
1999-10-01 5.52000
1999-11-01 5.25000
1999-12-01 5.36000
2000-01-01 5.75000
2000-02-01 5.73000
2000-03-01 5.58000
2000-04-01 5.46600
2000-05-01 5.67000
2000-06-01 5.51000
2000-07-01 5.59100
2000-08-01 5.56000
2000-09-01 5.63000
2000-10-01 5.57800
2000-11-01 5.55000
2000-12-01 5.29800
2001-01-01 5.18300
2001-02-01 5.18000
2001-03-01 5.13100
2001-04-01 5.28200
2001-05-01 5.44900
2001-06-01 5.39000
2001-07-01 5.40000
2001-08-01 5.22000
2001-09-01 5.20000
2001-10-01 4.96000
2001-11-01 4.80000
2001-12-01 5.05000
2002-01-01 5.14200
2002-02-01 5.19900
2002-03-01 5.41100
2002-04-01 5.40000
2002-05-01 5.40600
2002-06-01 5.25500
2002-07-01 5.10900
2002-08-01 4.82800
2002-09-01 4.61800
2002-10-01 4.75700
2002-11-01 4.73500
2002-12-01 4.55000
2003-01-01 4.38000
2003-02-01 4.16000
2003-03-01 4.18000
2003-04-01 4.31000
2003-05-01 4.04000
2003-06-01 4.13000
2003-07-01 4.29000
2003-08-01 4.31000
2003-09-01 4.40000
2003-10-01 4.38000
2003-11-01 4.51000
2003-12-01 4.46000
2004-01-01 4.31660
2004-02-01 4.34280
2004-03-01 4.16870
2004-04-01 4.35090
2004-05-01 4.49300
2004-06-01 4.54390
2004-07-01 4.43990
2004-08-01 4.27710
2004-09-01 4.25080
2004-10-01 4.12890
2004-11-01 3.99980
2004-12-01 3.79170
2005-01-01 3.71140
2005-02-01 3.67840
2005-03-01 3.83730
2005-04-01 3.65320
2005-05-01 3.55260
2005-06-01 3.40500
2005-07-01 3.43840
2005-08-01 3.44900
2005-09-01 3.28700
2005-10-01 3.44440
2005-11-01 3.65516
2005-12-01 3.55320
2006-01-01 3.54350
2006-02-01 3.69730
2006-03-01 3.92280
2006-04-01 4.22000
2006-05-01 4.28470
2006-06-01 4.29470
2006-07-01 4.30650
2006-08-01 4.17070
2006-09-01 4.03580
2006-10-01 4.07000
2006-11-01 3.97010
2006-12-01 4.03760
2007-01-01 4.26280
2007-02-01 4.28010
2007-03-01 4.17620
2007-04-01 4.37020
2007-05-01 4.48970
2007-06-01 4.77200
2007-07-01 4.76030
2007-08-01 4.58350
2007-09-01 4.57360
2007-10-01 4.59090
2007-11-01 4.44930
2007-12-01 4.53850
2008-01-01 4.39890
2008-02-01 4.35440
2008-03-01 4.38000
2008-04-01 4.53000
2008-05-01 4.70000
2008-06-01 5.10560
2008-07-01 5.09460
2008-08-01 4.81390
2008-09-01 4.80410
2008-10-01 4.78000
2008-11-01 4.74250
2008-12-01 4.46880
2009-01-01 4.62130
2009-02-01 4.53580
2009-03-01 4.45840
2009-04-01 4.35600
2009-05-01 4.41510
2009-06-01 4.60620
2009-07-01 4.37290
2009-08-01 4.11600
2009-09-01 4.08800
2009-10-01 4.10100
2009-11-01 4.05650
2009-12-01 4.00700
2010-01-01 4.07790
2010-02-01 4.04700
2010-03-01 3.94500
2010-04-01 3.99560
2010-05-01 3.99000
2010-06-01 4.10000
2010-07-01 4.03000
2010-08-01 3.80000
2010-09-01 3.86000
2010-10-01 3.80000
2010-11-01 4.18000
2010-12-01 4.60300
2011-01-01 4.72900
2011-02-01 4.73560
2011-03-01 4.87540
2011-04-01 4.84100
2011-05-01 4.75600
2011-06-01 4.81560
2011-07-01 5.46300
2011-08-01 5.27050
2011-09-01 5.74600
2011-10-01 5.97190
2011-11-01 7.05710
2011-12-01 6.81200
2012-01-01 6.53660
2012-02-01 5.54600
2012-03-01 5.04880
2012-04-01 5.67580
2012-05-01 5.78330
2012-06-01 5.90370
2012-07-01 5.99600
2012-08-01 5.82200
2012-09-01 5.25400
2012-10-01 4.95290
2012-11-01 4.85140
2012-12-01 4.54160
2013-01-01 4.20770
2013-02-01 4.49290
2013-03-01 4.64040
2013-04-01 4.27800
2013-05-01 3.96400
2013-06-01 4.37890
2013-07-01 4.41830
2013-08-01 4.41910
2013-09-01 4.54110
2013-10-01 4.24760
2013-11-01 4.09510
2013-12-01 4.11400
2014-01-01 3.86600
2014-02-01 3.65120
2014-03-01 3.39940
2014-04-01 3.22800
2014-05-01 3.12330
2014-06-01 2.92000
2014-07-01 2.79360
2014-08-01 2.63270
2014-09-01 2.40000
2014-10-01 2.42400
2014-11-01 2.29040
2014-12-01 1.98980
2015-01-01 1.70210
2015-02-01 1.55680
2015-03-01 1.29420
2015-04-01 1.35740
2015-05-01 1.81200
2015-06-01 2.19900
2015-07-01 2.04210
2015-08-01 1.83900
2015-09-01 1.92000
2015-10-01 1.69600
2015-11-01 1.57020
2015-12-01 1.57860
2016-01-01 1.53400
2016-02-01 1.55800
2016-03-01 1.37500
2016-04-01 1.44180
2016-05-01 1.52630
2016-06-01 1.45350
2016-07-01 1.22720
2016-08-01 1.17630
2016-09-01 1.26610
2016-10-01 1.45000
2016-11-01 1.94300
2016-12-01 1.88600
2017-01-01 1.99110
2017-02-01 2.35200
2017-03-01 2.40100
2017-04-01 2.25700
2017-05-01 2.19400
2017-06-01 2.05300
2017-07-01 2.23100
2017-08-01 2.10990
2017-09-01 2.10950
2017-10-01 2.07380
2017-11-01 1.78880
2017-12-01 1.79400
2018-01-01 1.98400
2018-02-01 2.08100
2018-03-01 1.96550
2018-04-01 1.77340
2018-05-01 2.17970
2018-06-01 2.74420
2018-07-01 2.64300
2018-08-01 3.16100
2018-09-01 2.95900
2018-10-01 3.47000