Monthly Percent
1985-08-01 19.4200
1985-09-01 22.1900
1985-10-01 20.7800
1985-11-01 18.8200
1985-12-01 18.5500
1986-01-01 18.6200
1986-02-01 18.5400
1986-03-01 16.8700
1986-04-01 15.0100
1986-05-01 15.7900
1986-06-01 15.2300
1986-07-01 15.1400
1986-08-01 15.3400
1986-09-01 15.0900
1986-10-01 14.0800
1986-11-01 13.3600
1986-12-01 13.6800
1987-01-01 13.4500
1987-02-01 13.4300
1987-03-01 13.3100
1987-04-01 13.1100
1987-05-01 13.3600
1987-06-01 13.8600
1987-07-01 15.0200
1987-10-01 13.9700
1987-11-01 13.9400
1987-12-01 13.9500
1988-01-01 13.8500
1988-02-01 13.3000
1988-03-01 13.0900
1988-04-01 13.0000
1988-05-01 12.7700
1988-06-01 12.6300
1988-07-01 13.0100
1988-08-01 12.9800
1988-09-01 12.9000
1988-10-01 12.6600
1988-11-01 12.9300
1988-12-01 12.5000
1989-01-01 12.5000
1989-02-01 12.5000
1989-03-01 12.4900
1989-04-01 12.7200
1989-05-01 14.9400
1989-07-01 16.0900
1989-08-01 16.1200
1989-09-01 16.1000
1989-10-01 16.2000
1989-11-01 16.2500
1989-12-01 17.1900
1990-01-01 17.2500
1990-02-01 17.3000
1990-03-01 17.2900
1990-04-01 16.9500
1990-05-01 16.3600
1990-06-01 16.4200
1990-07-01 16.0000
1990-08-01 17.0900
1990-09-01 17.0400
1990-10-01 16.6300
1990-11-01 17.2900
1990-12-01 17.2100
1991-01-01 17.1600
1991-02-01 17.5600
1991-03-01 17.6700
1991-04-01 17.7500
1991-05-01 17.7500
1991-06-01 17.8800
1991-07-01 17.9400
1991-08-01 17.9400
1991-09-01 17.9000
1991-10-01 17.8300
1991-11-01 17.7200
1991-12-01 17.7500
1992-01-01 18.2540
1992-02-01 17.8320
1992-03-01 17.5190
1992-04-01 17.1140
1992-05-01 16.9990
1992-06-01 17.1430
1992-07-01 16.8220
1992-08-01 15.5160
1992-09-01 14.9420
1992-10-01 15.7620
1992-11-01 16.0600
1992-12-01 16.5060
1993-01-01 14.4590
1993-02-01 13.6890
1993-03-01 15.7240
1993-04-01 17.1150
1993-05-01 15.2910
1993-06-01 12.6110
1993-07-01 13.1130
1993-08-01 11.4170
1993-09-01 11.0230
1993-10-01 11.3130
1993-11-01 11.5190
1993-12-01 11.6670
1994-01-01 11.0810
1994-02-01 9.9970
1994-03-01 9.6200
1994-04-01 11.8770
1994-05-01 11.0720
1994-06-01 13.6970
1994-07-01 12.7060
1994-08-01 11.9370
1994-09-01 10.6630
1994-10-01 10.1590
1994-11-01 9.9950
1994-12-01 10.4760
1995-01-01 10.6770
1995-02-01 9.8810
1995-03-01 11.0230
1995-04-01 10.7630
1995-05-01 9.9600
1995-06-01 9.8780
1995-07-01 9.4950
1995-08-01 9.2620
1995-09-01 9.2540
1995-10-01 9.2710
1995-11-01 9.0540
1995-12-01 8.9220
1996-01-01 8.4000
1996-02-01 8.1000
1996-03-01 8.0000
1996-04-01 7.5000
1996-05-01 7.2000
1996-06-01 7.3000
1996-07-01 7.3000
1996-08-01 7.2000
1996-09-01 7.2000
1996-10-01 6.9000
1996-11-01 6.9000
1996-12-01 6.4000
1997-01-01 6.2000
1997-02-01 6.2000
1997-03-01 6.3000
1997-04-01 6.0000
1997-05-01 5.7000
1997-06-01 5.9000
1997-07-01 5.8000
1997-08-01 5.5000
1997-09-01 5.4000
1997-10-01 5.3000
1997-11-01 5.4000
1997-12-01 5.2000
1998-01-01 4.8000
1998-02-01 4.7000
1998-03-01 4.6000
1998-04-01 4.5000
1998-05-01 4.5000
1998-06-01 4.4000
1998-07-01 4.3000
1998-08-01 4.4000
1998-09-01 4.3000
1998-10-01 4.0000
1998-11-01 3.8000
1998-12-01 3.4000
1999-01-01 3.1321
1999-02-01 3.0934
1999-03-01 3.0467
1999-04-01 2.6965
1999-05-01 2.5790
1999-06-01 2.6267
1999-07-01 2.6765
1999-08-01 2.6950
1999-09-01 2.7267
1999-10-01 3.3757
1999-11-01 3.4677
1999-12-01 3.4460
2000-01-01 3.3431
2000-02-01 3.5368
2000-03-01 3.7470
2000-04-01 3.9253
2000-05-01 4.3620
2000-06-01 4.5017
2000-07-01 4.5829
2000-08-01 4.7771
2000-09-01 4.8528
2000-10-01 5.0413
2000-11-01 5.0920
2000-12-01 4.9392
2001-01-01 4.7707
2001-02-01 4.7558
2001-03-01 4.7086
2001-04-01 4.6820
2001-05-01 4.6367
2001-06-01 4.4536
2001-07-01 4.4671
2001-08-01 4.3535
2001-09-01 3.9829
2001-10-01 3.5999
2001-11-01 3.3857
2001-12-01 3.3449
2002-01-01 3.3388
2002-02-01 3.3571
2002-03-01 3.3908
2002-04-01 3.4069
2002-05-01 3.4671
2002-06-01 3.4640
2002-07-01 3.4100
2002-08-01 3.3519
2002-09-01 3.3101
2002-10-01 3.2613
2002-11-01 3.1241
2002-12-01 2.9410
2003-01-01 2.8318
2003-02-01 2.6875
2003-03-01 2.5300
2003-04-01 2.5333
2003-05-01 2.4005
2003-06-01 2.1519
2003-07-01 2.1300
2003-08-01 2.1404
2003-09-01 2.1473
2003-10-01 2.1436
2003-11-01 2.1590
2003-12-01 2.1463
2004-01-01 2.0895
2004-02-01 2.0705
2004-03-01 2.0288
2004-04-01 2.0488
2004-05-01 2.0859
2004-06-01 2.1127
2004-07-01 2.1160
2004-08-01 2.1143
2004-09-01 2.1186
2004-10-01 2.1473
2004-11-01 2.1703
2004-12-01 2.1732
2005-01-01 2.1454
2005-02-01 2.1383
2005-03-01 2.1372
2005-04-01 2.1372
2005-05-01 2.1256
2005-06-01 2.1110
2005-07-01 2.1194
2005-08-01 2.1325
2005-09-01 2.1391
2005-10-01 2.1966
2005-11-01 2.3609
2005-12-01 2.4729
2006-01-01 2.5117
2006-02-01 2.6004
2006-03-01 2.7226
2006-04-01 2.7938
2006-05-01 2.8890
2006-06-01 2.9857
2006-07-01 3.1022
2006-08-01 3.2265
2006-09-01 3.3354
2006-10-01 3.5020
2006-11-01 3.5972
2006-12-01 3.6842
2007-01-01 3.7519
2007-02-01 3.8182
2007-03-01 3.8909
2007-04-01 3.9753
2007-05-01 4.0714
2007-06-01 4.1478
2007-07-01 4.2162
2007-08-01 4.5436
2007-09-01 4.7417
2007-10-01 4.6874
2007-11-01 4.6385
2007-12-01 4.8484
2008-01-01 4.4815
2008-02-01 4.3621
2008-03-01 4.5964
2008-04-01 4.7835
2008-05-01 4.8574
2008-06-01 4.9405
2008-07-01 4.9610
2008-08-01 4.9652
2008-09-01 5.0192
2008-10-01 5.1131
2008-11-01 4.2383
2008-12-01 3.2926
2009-01-01 2.4565
2009-02-01 1.9431
2009-03-01 1.6355
2009-04-01 1.4223
2009-05-01 1.2817
2009-06-01 1.2279
2009-07-01 0.9750
2009-08-01 0.8605
2009-09-01 0.7721
2009-10-01 0.7375
2009-11-01 0.7162
2009-12-01 0.7120
2010-01-01 0.6797
2010-02-01 0.6617
2010-03-01 0.6450
2010-04-01 0.6447
2010-05-01 0.6865
2010-06-01 0.7276
2010-07-01 0.8488
2010-08-01 0.8955
2010-09-01 0.8805
2010-10-01 0.9977
2010-11-01 1.0420
2010-12-01 1.0217
2011-01-01 1.0172
2011-02-01 1.0867
2011-03-01 1.1755
2011-04-01 1.3212
2011-05-01 1.4251
2011-06-01 1.4886
2011-07-01 1.5976
2011-08-01 1.5521
2011-09-01 1.5365
2011-10-01 1.5759
2011-11-01 1.4847
2011-12-01 1.4261
2012-01-01 1.2222
2012-02-01 1.0483
2012-03-01 0.8585
2012-04-01 0.7443
2012-05-01 0.6849
2012-06-01 0.6589
2012-07-01 0.4970
2012-08-01 0.3324
2012-09-01 0.2463
2012-10-01 0.2079
2012-11-01 0.1920
2012-12-01 0.1855
2013-01-01 0.2049
2013-02-01 0.2234
2013-03-01 0.2061
2013-04-01 0.2089
2013-05-01 0.2012
2013-06-01 0.2103
2013-07-01 0.2214
2013-08-01 0.2259
2013-09-01 0.2232
2013-10-01 0.2258
2013-11-01 0.2234
2013-12-01 0.2735
2014-01-01 0.2920
2014-02-01 0.2881
2014-03-01 0.3053
2014-04-01 0.3297
2014-05-01 0.3246
2014-06-01 0.2414
2014-07-01 0.2050
2014-08-01 0.1916
2014-09-01 0.0971
2014-10-01 0.0826
2014-11-01 0.0809
2014-12-01 0.0809
2015-01-01 0.0627
2015-02-01 0.0482
2015-03-01 0.0272
2015-04-01 0.0047
2015-05-01 -0.0104
2015-06-01 -0.0139
2015-07-01 -0.0187
2015-08-01 -0.0277
2015-09-01 -0.0370
2015-10-01 -0.0536
2015-11-01 -0.0876
2015-12-01 -0.1263
2016-01-01 -0.1461
2016-02-01 -0.1836
2016-03-01 -0.2285
2016-04-01 -0.2492
2016-05-01 -0.2572
2016-06-01 -0.2679
2016-07-01 -0.2945
2016-08-01 -0.2982
2016-09-01 -0.3016
2016-10-01 -0.3090
2016-11-01 -0.3127
2016-12-01 -0.3158
2017-01-01 -0.3255
2017-02-01 -0.3286
2017-03-01 -0.3293
2017-04-01 -0.3304
2017-05-01 -0.3295
2017-06-01 -0.3300
2017-07-01 -0.3304
2017-08-01 -0.3291
2017-09-01 -0.3294
2017-10-01 -0.3295
2017-11-01 -0.3290
2017-12-01 -0.3279
2018-01-01 -0.3285
2018-02-01 -0.3285
2018-03-01 -0.3279
2018-04-01 -0.3285
2018-05-01 -0.3252
2018-06-01 -0.3220
2018-07-01 -0.3207
2018-08-01 -0.3190
2018-09-01 -0.3188
2018-10-01 -0.3177