Monthly
1979-01-31 1.9453
1979-02-28 1.9962
1979-03-31 2.0515
1979-04-30 2.051
1979-05-31 2.0516
1979-06-30 2.119
1979-07-31 2.205
1979-08-31 2.2175
1979-09-30 2.1745
1979-10-31 2.0778
1979-11-30 2.1553
1979-12-31 2.1805
1980-01-31 2.2272
1980-02-29 2.2483
1980-03-31 2.1742
1980-04-30 2.2143
1980-05-31 2.2488
1980-06-30 2.2655
1980-07-31 2.2763
1980-08-31 2.3375
1980-09-30 2.3773
1980-10-31 2.4223
1980-11-30 2.3268
1980-12-31 2.4165
1981-01-31 2.4375
1981-02-28 2.2867
1981-03-31 2.2905
1981-04-30 2.2192
1981-05-31 2.1382
1981-06-30 1.9941
1981-07-31 1.8997
1981-08-31 1.913
1981-09-30 1.8317
1981-10-31 1.8532
1981-11-30 1.938
1981-12-31 1.901
1982-01-31 1.8945
1982-02-28 1.8442
1982-03-31 1.8125
1982-04-30 1.8146
1982-05-31 1.813
1982-06-30 1.789
1982-07-31 1.7772
1982-08-31 1.7503
1982-09-30 1.7262
1982-10-31 1.6943
1982-11-30 1.6204
1982-12-31 1.6085
1983-01-31 1.5054
1983-02-28 1.4955
1983-03-31 1.4761
1983-04-30 1.5515
1983-05-31 1.5996
1983-06-30 1.5372
1983-07-31 1.5254
1983-08-31 1.5017
1983-09-30 1.4992
1983-10-31 1.5013
1983-11-30 1.4759
1983-12-31 1.4615
1984-01-31 1.4106
1984-02-29 1.5121
1984-03-31 1.4717
1984-04-30 1.4286
1984-05-31 1.4197
1984-06-30 1.394
1984-07-31 1.3203
1984-08-31 1.3338
1984-09-30 1.2532
1984-10-31 1.2217
1984-11-30 1.2073
1984-12-31 1.1547
1985-01-31 1.108
1985-02-28 1.0645
1985-03-31 1.2132
1985-04-30 1.2137
1985-05-31 1.2461
1985-06-30 1.27
1985-07-31 1.3923
1985-08-31 1.3664
1985-09-30 1.3779
1985-10-31 1.4086
1985-11-30 1.4536
1985-12-31 1.3995
1986-01-31 1.3549
1986-02-28 1.401
1986-03-31 1.4412
1986-04-30 1.5164
1986-05-31 1.4434
1986-06-30 1.4939
1986-07-31 1.4485
1986-08-31 1.4355
1986-09-30 1.3869
1986-10-31 1.3455
1986-11-30 1.3701
1986-12-31 1.4212
1987-01-31 1.4524
1987-02-28 1.4939
1987-03-31 1.5619
1987-04-30 1.6409
1987-05-31 1.6129
1987-06-30 1.589
1987-07-31 1.5601
1987-08-31 1.5875
1987-09-30 1.6057
1987-10-31 1.7033
1987-11-30 1.8183
1987-12-31 1.8622
1988-01-31 1.7375
1988-02-29 1.7319
1988-03-31 1.8612
1988-04-30 1.8602
1988-05-31 1.8329
1988-06-30 1.6754
1988-07-31 1.679
1988-08-31 1.6367
1988-09-30 1.6452
1988-10-31 1.7217
1988-11-30 1.7898
1988-12-31 1.758
1989-01-31 1.7149
1989-02-28 1.7069
1989-03-31 1.66
1989-04-30 1.6477
1989-05-31 1.5093
1989-06-30 1.4807
1989-07-31 1.5874
1989-08-31 1.51
1989-09-30 1.5443
1989-10-31 1.4947
1989-11-30 1.4811
1989-12-31 1.5235
1990-01-31 1.5888
1990-02-28 1.5937
1990-03-31 1.5532
1990-04-30 1.5409
1990-05-31 1.5856
1990-06-30 1.6517
1990-07-31 1.7556
1990-08-31 1.7883
1990-09-30 1.7724
1990-10-31 1.8662
1990-11-30 1.8627
1990-12-31 1.8422
1991-01-31 1.8625
1991-02-28 1.8349
1991-03-31 1.6694
1991-04-30 1.6493
1991-05-31 1.6373
1991-06-30 1.5646
1991-07-31 1.6195
1991-08-31 1.6086
1991-09-30 1.6813
1991-10-31 1.6606
1991-11-30 1.6741
1991-12-31 1.7548
1992-01-31 1.6997
1992-02-29 1.672
1992-03-31 1.6419
1992-04-30 1.6831
1992-05-31 1.7436
1992-06-30 1.8038
1992-07-31 1.8114
1992-08-31 1.8575
1992-09-30 1.6936
1992-10-31 1.521
1992-11-30 1.4789
1992-12-31 1.4784
1993-01-31 1.4572
1993-02-28 1.3932
1993-03-31 1.4745
1993-04-30 1.5257
1993-05-31 1.5297
1993-06-30 1.4701
1993-07-31 1.4555
1993-08-31 1.4655
1993-09-30 1.4672
1993-10-31 1.4629
1993-11-30 1.4605
1993-12-31 1.459
1994-01-31 1.4775
1994-02-28 1.4733
1994-03-31 1.4707
1994-04-30 1.5099
1994-05-31 1.5055
1994-06-30 1.5377
1994-07-31 1.5198
1994-08-31 1.5232
1994-09-30 1.5614
1994-10-31 1.6182
1994-11-30 1.5647
1994-12-31 1.5627
1995-01-31 1.5801
1995-02-28 1.5666
1995-03-31 1.6176
1995-04-30 1.5935
1995-05-31 1.5731
1995-06-30 1.5678
1995-07-31 1.5831
1995-08-31 1.5351
1995-09-30 1.5712
1995-10-31 1.5674
1995-11-30 1.5179
1995-12-31 1.5375
1996-01-31 1.497
1996-02-29 1.5186
1996-03-31 1.5162
1996-04-30 1.4941
1996-05-31 1.5445
1996-06-30 1.5532
1996-07-31 1.5571
1996-08-31 1.566
1996-09-30 1.5611
1996-10-31 1.6149
1996-11-30 1.6613
1996-12-31 1.6934
1997-01-31 1.5906
1997-02-28 1.6187
1997-03-31 1.6207
1997-04-30 1.613
1997-05-31 1.6259
1997-06-30 1.6456
1997-07-31 1.6136
1997-08-31 1.5988
1997-09-30 1.5924
1997-10-31 1.6523
1997-11-30 1.656
1997-12-31 1.6195
1998-01-31 1.6083
1998-02-28 1.619
1998-03-31 1.6489
1998-04-30 1.6503
1998-05-31 1.6081
1998-06-30 1.6347
1998-07-31 1.606
1998-08-31 1.6367
1998-09-30 1.6707
1998-10-31 1.6484
1998-11-30 1.6341
1998-12-31 1.6575
1999-01-31 1.6378
1999-02-28 1.6028
1999-03-31 1.6162
1999-04-30 1.6094
1999-05-31 1.604
1999-06-30 1.584
1999-07-31 1.6234
1999-08-31 1.6115
1999-09-30 1.6434
1999-10-31 1.6378
1999-11-30 1.5906
1999-12-31 1.6104
2000-01-31 1.6217
2000-02-29 1.581
2000-03-31 1.5997
2000-04-30 1.5731
2000-05-31 1.5087
2000-06-30 1.5258
2000-07-31 1.5071
2000-08-31 1.4617
2000-09-30 1.4857
2000-10-31 1.4594
2000-11-30 1.4266
2000-12-31 1.4992
2001-01-31 1.4579
2001-02-28 1.4363
2001-03-31 1.4153
2001-04-30 1.4215
2001-05-31 1.4056
2001-06-30 1.3876
2001-07-31 1.4053
2001-08-31 1.4313
2001-09-30 1.4448
2001-10-31 1.4285
2001-11-30 1.4258
2001-12-31 1.4275
2002-01-31 1.3859
2002-02-28 1.3869
2002-03-31 1.3999
2002-04-30 1.4294
2002-05-31 1.4321
2002-06-30 1.4917
2002-07-31 1.5294
2002-08-31 1.5156
2002-09-30 1.5393
2002-10-31 1.5297
2002-11-30 1.5184
2002-12-31 1.5709
2003-01-31 1.6057
2003-02-28 1.5433
2003-03-31 1.5464
2003-04-30 1.5642
2003-05-31 1.602
2003-06-30 1.6131
2003-07-31 1.5717
2003-08-31 1.5427
2003-09-30 1.6173
2003-10-31 1.6481
2003-11-30 1.6709
2003-12-31 1.7402
2004-01-31 1.7668
2004-02-29 1.7995
2004-03-31 1.7783
2004-04-30 1.7221
2004-05-31 1.7794
2004-06-30 1.7654
2004-07-31 1.7682
2004-08-31 1.7501
2004-09-30 1.7655
2004-10-31 1.7902
2004-11-30 1.8779
2004-12-31 1.888
2005-01-31 1.8567
2005-02-28 1.8968
2005-03-31 1.8685
2005-04-30 1.8878
2005-05-31 1.8062
2005-06-30 1.7832
2005-07-31 1.7569
2005-08-31 1.7947
2005-09-30 1.7693
2005-10-31 1.7725
2005-11-30 1.7337
2005-12-31 1.7225
2006-01-31 1.7833
2006-02-28 1.7604
2006-03-31 1.7442
2006-04-30 1.8272
2006-05-31 1.8813
2006-06-30 1.863
2006-07-31 1.8777
2006-08-31 1.9059
2006-09-30 1.8701
2006-10-31 1.9067
2006-11-30 1.9644
2006-12-31 1.9544
2007-01-31 1.9504
2007-02-28 1.9517
2007-03-31 1.951
2007-04-30 1.9879
2007-05-31 1.9657
2007-06-30 1.9905
2007-07-31 2.0135
2007-08-31 1.9927
2007-09-30 2.0157
2007-10-31 2.0508
2007-11-30 2.0258
2007-12-31 1.9655
2008-01-31 1.9422
2008-02-29 1.9381
2008-03-31 1.9328
2008-04-30 1.9349
2008-05-31 1.9232
2008-06-30 1.9371
2008-07-31 1.9346
2008-08-31 1.7849
2008-09-30 1.7653
2008-10-31 1.5994
2008-11-30 1.5386
2008-12-31 1.4346
2009-01-31 1.4414
2009-02-28 1.4269
2009-03-31 1.4358
2009-04-30 1.4822
2009-05-31 1.6109
2009-06-30 1.645
2009-07-31 1.6569
2009-08-31 1.6301
2009-09-30 1.5985
2009-10-31 1.6441
2009-11-30 1.6366
2009-12-31 1.6111
2010-01-31 1.5972
2010-02-28 1.5191
2010-03-31 1.5143
2010-04-30 1.5291
2010-05-31 1.4481
2010-06-30 1.4959
2010-07-31 1.5625
2010-08-31 1.5332
2010-09-30 1.5712
2010-10-31 1.592
2010-11-30 1.5537
2010-12-31 1.5589
2011-01-31 1.5929
2011-02-28 1.6149
2011-03-31 1.5913
2011-04-30 1.6539
2011-05-31 1.6364
2011-06-30 1.5978
2011-07-31 1.635
2011-08-31 1.6212
2011-09-30 1.5533
2011-10-31 1.6075
2011-11-30 1.5674
2011-12-31 1.5407
2012-01-31 1.5724
2012-02-29 1.5929
2012-03-31 1.5941
2012-04-30 1.619
2012-05-31 1.5371
2012-06-30 1.567
2012-07-31 1.5673
2012-08-31 1.5871
2012-09-30 1.6132
2012-10-31 1.6093
2012-11-30 1.6007
2012-12-31 1.6148
2013-01-31 1.5829
2013-02-28 1.5168
2013-03-31 1.5168
2013-04-30 1.5542
2013-05-31 1.5137
2013-06-30 1.5137
2013-07-31 1.5141
2013-08-31 1.5437
2013-09-30 1.6153
2013-10-31 1.6021
2013-11-30 1.6332
2013-12-31 1.6472
2014-01-31 1.6384
2014-02-28 1.6703
2014-03-31 1.6617
2014-04-30 1.682
2014-05-31 1.6708
2014-06-30 1.7008
2014-07-31 1.68
2014-08-31 1.6536
2014-09-30 1.6144
2014-10-31 1.5941
2014-11-30 1.5619
2014-12-31 1.5579
2015-01-31 1.4992
2015-02-28 1.5431
2015-03-31 1.4832
2015-04-30 1.5347
2015-05-31 1.5238
2015-06-30 1.5697
2015-07-31 1.558
2015-08-31 1.5331
2015-09-30 1.5131
2015-10-31 1.5436
2015-11-30 1.5074
2015-12-31 1.4847
2016-01-31 1.4218
2016-02-29 1.3976
2016-03-31 1.442
2016-04-30 1.4686
2016-05-31 1.4615
2016-06-30 1.3484
2016-07-31 1.3363
2016-08-31 1.3212
2016-09-30 1.3096
2016-10-31 1.231
2016-11-30 1.2611
2016-12-31 1.2426
2017-01-31 1.2715
2017-02-28 1.2581
2017-03-31 1.264
2017-04-30 1.3087
2017-05-31 1.3064
2017-06-30 1.3134
2017-07-31 1.3338
2017-08-31 1.3043
2017-09-30 1.3562
2017-10-31 1.3433
2017-11-30 1.3702
2017-12-31 1.3696
2018-01-31 1.444
2018-02-28 1.401
2018-03-31 1.4255
2018-04-30 1.4028
2018-05-31 1.3553
2018-06-30 1.3434
2018-07-31 1.3347
2018-08-31 1.3224
2018-09-30 1.3285
2018-10-31 1.3026
2018-11-30 1.3
2018-12-31 1.2987
2019-01-31 1.3384
2019-02-28 1.3532
2019-03-31 1.325
2019-04-30 1.3252
2019-05-31 1.2793
2019-06-30 1.2886
2019-07-31 1.2429
2019-08-31 1.2328
2019-09-30 1.2464
2019-10-31 1.3055
2019-11-30 1.3064
2019-12-31 1.3337
2020-01-31 1.3301
2020-02-29 1.2858