Monthly
1979-01-31 1.9894
1979-02-28 1.9799
1979-03-31 2.0264
1979-04-30 2.0633
1979-05-31 2.0468
1979-06-30 2.0879
1979-07-31 2.2325
1979-08-31 2.2126
1979-09-30 2.1834
1979-10-31 2.1465
1979-11-30 2.1211
1979-12-31 2.1787
1980-01-31 2.2438
1980-02-29 2.2664
1980-03-31 2.2087
1980-04-30 2.2164
1980-05-31 2.2506
1980-06-30 2.271
1980-07-31 2.3176
1980-08-31 2.3193
1980-09-30 2.3722
1980-10-31 2.3997
1980-11-30 2.4028
1980-12-31 2.3822
1981-01-31 2.4406
1981-02-28 2.3432
1981-03-31 2.2653
1981-04-30 2.2183
1981-05-31 2.1485
1981-06-30 2.0137
1981-07-31 1.9157
1981-08-31 1.8624
1981-09-30 1.8447
1981-10-31 1.8471
1981-11-30 1.8952
1981-12-31 1.894
1982-01-31 1.8875
1982-02-28 1.8598
1982-03-31 1.8213
1982-04-30 1.7835
1982-05-31 1.8232
1982-06-30 1.7814
1982-07-31 1.757
1982-08-31 1.7398
1982-09-30 1.7223
1982-10-31 1.7067
1982-11-30 1.6392
1982-12-31 1.614
1983-01-31 1.5599
1983-02-28 1.5214
1983-03-31 1.4819
1983-04-30 1.5364
1983-05-31 1.5659
1983-06-30 1.5493
1983-07-31 1.5304
1983-08-31 1.506
1983-09-30 1.5015
1983-10-31 1.4998
1983-11-30 1.4826
1983-12-31 1.4408
1984-01-31 1.4117
1984-02-29 1.4458
1984-03-31 1.4695
1984-04-30 1.4389
1984-05-31 1.406
1984-06-30 1.3951
1984-07-31 1.3285
1984-08-31 1.3224
1984-09-30 1.2663
1984-10-31 1.224
1984-11-30 1.2421
1984-12-31 1.1854
1985-01-31 1.1154
1985-02-28 1.0758
1985-03-31 1.1087
1985-04-30 1.2241
1985-05-31 1.227
1985-06-30 1.2551
1985-07-31 1.3548
1985-08-31 1.3648
1985-09-30 1.3472
1985-10-31 1.4022
1985-11-30 1.418
1985-12-31 1.4219
1986-01-31 1.3923
1986-02-28 1.4011
1986-03-31 1.4412
1986-04-30 1.4768
1986-05-31 1.4995
1986-06-30 1.4907
1986-07-31 1.4844
1986-08-31 1.4614
1986-09-30 1.4425
1986-10-31 1.3928
1986-11-30 1.3908
1986-12-31 1.4036
1987-01-31 1.4738
1987-02-28 1.4973
1987-03-31 1.5675
1987-04-30 1.6101
1987-05-31 1.6564
1987-06-30 1.618
1987-07-31 1.5932
1987-08-31 1.5749
1987-09-30 1.6286
1987-10-31 1.6499
1987-11-30 1.764
1987-12-31 1.8188
1988-01-31 1.783
1988-02-29 1.737
1988-03-31 1.8151
1988-04-30 1.8667
1988-05-31 1.8635
1988-06-30 1.7674
1988-07-31 1.6857
1988-08-31 1.678
1988-09-30 1.6558
1988-10-31 1.7117
1988-11-30 1.7819
1988-12-31 1.7972
1989-01-31 1.7471
1989-02-28 1.7299
1989-03-31 1.6952
1989-04-30 1.6799
1989-05-31 1.6031
1989-06-30 1.5168
1989-07-31 1.5863
1989-08-31 1.5583
1989-09-30 1.5346
1989-10-31 1.5423
1989-11-30 1.5248
1989-12-31 1.5466
1990-01-31 1.6009
1990-02-28 1.6437
1990-03-31 1.5732
1990-04-30 1.5864
1990-05-31 1.6259
1990-06-30 1.6573
1990-07-31 1.7521
1990-08-31 1.8394
1990-09-30 1.8213
1990-10-31 1.8953
1990-11-30 1.9187
1990-12-31 1.877
1991-01-31 1.8797
1991-02-28 1.9103
1991-03-31 1.7809
1991-04-30 1.7066
1991-05-31 1.6839
1991-06-30 1.6141
1991-07-31 1.6152
1991-08-31 1.6454
1991-09-30 1.689
1991-10-31 1.6831
1991-11-30 1.7335
1991-12-31 1.7717
1992-01-31 1.7583
1992-02-29 1.7273
1992-03-31 1.6731
1992-04-30 1.7046
1992-05-31 1.759
1992-06-30 1.8034
1992-07-31 1.8583
1992-08-31 1.8767
1992-09-30 1.7973
1992-10-31 1.622
1992-11-30 1.5052
1992-12-31 1.5294
1993-01-31 1.509
1993-02-28 1.421
1993-03-31 1.4446
1993-04-30 1.5261
1993-05-31 1.5275
1993-06-30 1.492
1993-07-31 1.4785
1993-08-31 1.4744
1993-09-30 1.5079
1993-10-31 1.4873
1993-11-30 1.4666
1993-12-31 1.4775
1994-01-31 1.48
1994-02-28 1.4693
1994-03-31 1.4839
1994-04-30 1.4773
1994-05-31 1.5002
1994-06-30 1.5217
1994-07-31 1.5443
1994-08-31 1.5378
1994-09-30 1.5598
1994-10-31 1.6017
1994-11-30 1.5865
1994-12-31 1.5591
1995-01-31 1.5731
1995-02-28 1.5679
1995-03-31 1.5959
1995-04-30 1.6025
1995-05-31 1.5805
1995-06-30 1.5877
1995-07-31 1.5871
1995-08-31 1.5609
1995-09-30 1.5521
1995-10-31 1.5713
1995-11-30 1.5559
1995-12-31 1.5342
1996-01-31 1.5242
1996-02-29 1.5297
1996-03-31 1.5223
1996-04-30 1.5108
1996-05-31 1.5115
1996-06-30 1.5409
1996-07-31 1.5547
1996-08-31 1.5488
1996-09-30 1.5596
1996-10-31 1.5829
1996-11-30 1.655
1996-12-31 1.6569
1997-01-31 1.652
1997-02-28 1.6187
1997-03-31 1.6014
1997-04-30 1.6249
1997-05-31 1.6282
1997-06-30 1.637
1997-07-31 1.6594
1997-08-31 1.5918
1997-09-30 1.5899
1997-10-31 1.6208
1997-11-30 1.6746
1997-12-31 1.6457
1998-01-31 1.6207
1998-02-28 1.6262
1998-03-31 1.6473
1998-04-30 1.6592
1998-05-31 1.6232
1998-06-30 1.6348
1998-07-31 1.6273
1998-08-31 1.6166
1998-09-30 1.6671
1998-10-31 1.68
1998-11-30 1.6501
1998-12-31 1.6629
1999-01-31 1.6432
1999-02-28 1.6256
1999-03-31 1.6208
1999-04-30 1.6093
1999-05-31 1.6146
1999-06-30 1.5969
1999-07-31 1.5777
1999-08-31 1.6103
1999-09-30 1.6261
1999-10-31 1.6575
1999-11-30 1.6221
1999-12-31 1.6134
2000-01-31 1.6398
2000-02-29 1.6001
2000-03-31 1.5813
2000-04-30 1.5856
2000-05-31 1.5127
2000-06-30 1.5144
2000-07-31 1.5142
2000-08-31 1.4955
2000-09-30 1.4395
2000-10-31 1.4554
2000-11-30 1.4306
2000-12-31 1.4663
2001-01-31 1.4762
2001-02-28 1.4503
2001-03-31 1.4415
2001-04-30 1.4298
2001-05-31 1.4184
2001-06-30 1.3914
2001-07-31 1.4041
2001-08-31 1.427
2001-09-30 1.4518
2001-10-31 1.4376
2001-11-30 1.4278
2001-12-31 1.4294
2002-01-31 1.4171
2002-02-28 1.4083
2002-03-31 1.408
2002-04-30 1.4283
2002-05-31 1.4432
2002-06-30 1.4692
2002-07-31 1.5374
2002-08-31 1.5211
2002-09-30 1.5397
2002-10-31 1.5408
2002-11-30 1.5531
2002-12-31 1.5665
2003-01-31 1.5968
2003-02-28 1.5903
2003-03-31 1.5654
2003-04-30 1.557
2003-05-31 1.6043
2003-06-30 1.6402
2003-07-31 1.6055
2003-08-31 1.5759
2003-09-30 1.5926
2003-10-31 1.6559
2003-11-30 1.6661
2003-12-31 1.7255
2004-01-31 1.7966
2004-02-29 1.8389
2004-03-31 1.7972
2004-04-30 1.7717
2004-05-31 1.7594
2004-06-30 1.7991
2004-07-31 1.8146
2004-08-31 1.7938
2004-09-30 1.767
2004-10-31 1.7829
2004-11-30 1.839
2004-12-31 1.9076
2005-01-31 1.8589
2005-02-28 1.8701
2005-03-31 1.8915
2005-04-30 1.8817
2005-05-31 1.8416
2005-06-30 1.8079
2005-07-31 1.7453
2005-08-31 1.7902
2005-09-30 1.8042
2005-10-31 1.7628
2005-11-30 1.7342
2005-12-31 1.7471
2006-01-31 1.7697
2006-02-28 1.7507
2006-03-31 1.748
2006-04-30 1.7738
2006-05-31 1.8755
2006-06-30 1.8499
2006-07-31 1.8525
2006-08-31 1.8991
2006-09-30 1.8878
2006-10-31 1.8775
2006-11-30 1.913
2006-12-31 1.9637
2007-01-31 1.9569
2007-02-28 1.9559
2007-03-31 1.9446
2007-04-30 1.9876
2007-05-31 1.9792
2007-06-30 1.9809
2007-07-31 2.0268
2007-08-31 2.0017
2007-09-30 2.0078
2007-10-31 2.0336
2007-11-30 2.0568
2007-12-31 2.0063
2008-01-31 1.9526
2008-02-29 1.9393
2008-03-31 1.9734
2008-04-30 1.955
2008-05-31 1.9365
2008-06-30 1.9386
2008-07-31 1.9615
2008-08-31 1.8648
2008-09-30 1.7795
2008-10-31 1.679
2008-11-30 1.5303
2008-12-31 1.485
2009-01-31 1.4426
2009-02-28 1.4404
2009-03-31 1.4189
2009-04-30 1.4719
2009-05-31 1.5421
2009-06-30 1.6358
2009-07-31 1.6361
2009-08-31 1.6536
2009-09-30 1.6329
2009-10-31 1.6188
2009-11-30 1.6578
2009-12-31 1.622
2010-01-31 1.6142
2010-02-28 1.5596
2010-03-31 1.5037
2010-04-30 1.5327
2010-05-31 1.4628
2010-06-30 1.4764
2010-07-31 1.5289
2010-08-31 1.5642
2010-09-30 1.5558
2010-10-31 1.5837
2010-11-30 1.5936
2010-12-31 1.5578
2011-01-31 1.5764
2011-02-28 1.6089
2011-03-31 1.6116
2011-04-30 1.6298
2011-05-31 1.6269
2011-06-30 1.6176
2011-07-31 1.6111
2011-08-31 1.6317
2011-09-30 1.5756
2011-10-31 1.5733
2011-11-30 1.5776
2011-12-31 1.5557
2012-01-31 1.5482
2012-02-29 1.5777
2012-03-31 1.5802
2012-04-30 1.5994
2012-05-31 1.5888
2012-06-30 1.5562
2012-07-31 1.5584
2012-08-31 1.5713
2012-09-30 1.6106
2012-10-31 1.6069
2012-11-30 1.5953
2012-12-31 1.6135
2013-01-31 1.5944
2013-02-28 1.5465
2013-03-31 1.5065
2013-04-30 1.5303
2013-05-31 1.527
2013-06-30 1.5461
2013-07-31 1.5156
2013-08-31 1.5488
2013-09-30 1.5845
2013-10-31 1.6071
2013-11-30 1.608
2013-12-31 1.6353
2014-01-31 1.6446
2014-02-28 1.6544
2014-03-31 1.6599
2014-04-30 1.6719
2014-05-31 1.6818
2014-06-30 1.6877
2014-07-31 1.7036
2014-08-31 1.6678
2014-09-30 1.6275
2014-10-31 1.604
2014-11-30 1.5756
2014-12-31 1.5617
2015-01-31 1.5123
2015-02-28 1.5317
2015-03-31 1.4941
2015-04-30 1.495
2015-05-31 1.5451
2015-06-30 1.555
2015-07-31 1.5542
2015-08-31 1.5569
2015-09-30 1.5314
2015-10-31 1.5327
2015-11-30 1.5192
2015-12-31 1.4989
2016-01-31 1.4388
2016-02-29 1.4308
2016-03-31 1.4265
2016-04-30 1.4326
2016-05-31 1.4536
2016-06-30 1.423
2016-07-31 1.3178
2016-08-31 1.3151
2016-09-30 1.3191
2016-10-31 1.2375
2016-11-30 1.2483
2016-12-31 1.2544
2017-01-31 1.2409
2017-02-28 1.2547
2017-03-31 1.2409
2017-04-30 1.2716
2017-05-31 1.3005
2017-06-30 1.2886
2017-07-31 1.3071
2017-08-31 1.3035
2017-09-30 1.34
2017-10-31 1.3273
2017-11-30 1.33
2017-12-31 1.3495
2018-01-31 1.3926
2018-02-28 1.4068
2018-03-31 1.4081
2018-04-30 1.4199
2018-05-31 1.3579
2018-06-30 1.3402
2018-07-31 1.328
2018-08-31 1.2991
2018-09-30 1.3177
2018-10-31 1.3132
2018-11-30 1.3021
2018-12-31 1.2777
2019-01-31 1.3017
2019-02-28 1.3135
2019-03-31 1.3283
2019-04-30 1.3153
2019-05-31 1.2955
2019-06-30 1.2773
2019-07-31 1.2569
2019-08-31 1.2241
2019-09-30 1.2437
2019-10-31 1.2719
2019-11-30 1.2952
2019-12-31 1.317
2020-01-31 1.3141
2020-02-29 1.3017