Monthly
1979-01-31 1.9739
1979-02-28 1.9596
1979-03-31 2.0149
1979-04-30 2.0568
1979-05-31 2.0371
1979-06-30 2.07
1979-07-31 2.2149
1979-08-31 2.1931
1979-09-30 2.1671
1979-10-31 2.1414
1979-11-30 2.1052
1979-12-31 2.1572
1980-01-31 2.2279
1980-02-29 2.2535
1980-03-31 2.2045
1980-04-30 2.2086
1980-05-31 2.2279
1980-06-30 2.2401
1980-07-31 2.296
1980-08-31 2.2998
1980-09-30 2.3637
1980-10-31 2.3964
1980-11-30 2.3963
1980-12-31 2.3835
1981-01-31 2.4487
1981-02-28 2.3735
1981-03-31 2.2907
1981-04-30 2.243
1981-05-31 2.1791
1981-06-30 2.0289
1981-07-31 1.9304
1981-08-31 1.8854
1981-09-30 1.8653
1981-10-31 1.8532
1981-11-30 1.8969
1981-12-31 1.8917
1982-01-31 1.8895
1982-02-28 1.8696
1982-03-31 1.832
1982-04-30 1.7938
1982-05-31 1.831
1982-06-30 1.7982
1982-07-31 1.7752
1982-08-31 1.7589
1982-09-30 1.7404
1982-10-31 1.7194
1982-11-30 1.649
1982-12-31 1.6151
1983-01-31 1.5517
1983-02-28 1.5184
1983-03-31 1.4783
1983-04-30 1.5354
1983-05-31 1.5625
1983-06-30 1.5504
1983-07-31 1.5313
1983-08-31 1.5088
1983-09-30 1.5052
1983-10-31 1.5029
1983-11-30 1.4882
1983-12-31 1.4466
1984-01-31 1.4162
1984-02-29 1.4527
1984-03-31 1.4852
1984-04-30 1.456
1984-05-31 1.4241
1984-06-30 1.4148
1984-07-31 1.3413
1984-08-31 1.3328
1984-09-30 1.2774
1984-10-31 1.2314
1984-11-30 1.2478
1984-12-31 1.1889
1985-01-31 1.1115
1985-02-28 1.0716
1985-03-31 1.1088
1985-04-30 1.2204
1985-05-31 1.2163
1985-06-30 1.2404
1985-07-31 1.3427
1985-08-31 1.356
1985-09-30 1.3376
1985-10-31 1.3909
1985-11-30 1.4025
1985-12-31 1.4037
1986-01-31 1.3688
1986-02-28 1.3792
1986-03-31 1.4234
1986-04-30 1.462
1986-05-31 1.4863
1986-06-30 1.4776
1986-07-31 1.4649
1986-08-31 1.4404
1986-09-30 1.4169
1986-10-31 1.364
1986-11-30 1.3612
1986-12-31 1.373
1987-01-31 1.4446
1987-02-28 1.4718
1987-03-31 1.5471
1987-04-30 1.5974
1987-05-31 1.6533
1987-06-30 1.6113
1987-07-31 1.5808
1987-08-31 1.5583
1987-09-30 1.6177
1987-10-31 1.6431
1987-11-30 1.7577
1987-12-31 1.811
1988-01-31 1.7697
1988-02-29 1.7183
1988-03-31 1.8004
1988-04-30 1.8575
1988-05-31 1.8562
1988-06-30 1.757
1988-07-31 1.6719
1988-08-31 1.6636
1988-09-30 1.6355
1988-10-31 1.6941
1988-11-30 1.7603
1988-12-31 1.7747
1989-01-31 1.73
1989-02-28 1.7164
1989-03-31 1.6854
1989-04-30 1.6652
1989-05-31 1.5826
1989-06-30 1.4863
1989-07-31 1.554
1989-08-31 1.5304
1989-09-30 1.5047
1989-10-31 1.5053
1989-11-30 1.4871
1989-12-31 1.5069
1990-01-31 1.56
1990-02-28 1.601
1990-03-31 1.5314
1990-04-30 1.5438
1990-05-31 1.5854
1990-06-30 1.6177
1990-07-31 1.7108
1990-08-31 1.7948
1990-09-30 1.7784
1990-10-31 1.8584
1990-11-30 1.8857
1990-12-31 1.8422
1991-01-31 1.8408
1991-02-28 1.874
1991-03-31 1.7527
1991-04-30 1.6783
1991-05-31 1.6562
1991-06-30 1.5915
1991-07-31 1.5913
1991-08-31 1.6157
1991-09-30 1.6591
1991-10-31 1.6507
1991-11-30 1.6943
1991-12-31 1.7251
1992-01-31 1.7141
1992-02-29 1.6887
1992-03-31 1.6365
1992-04-30 1.6648
1992-05-31 1.7216
1992-06-30 1.764
1992-07-31 1.809
1992-08-31 1.8214
1992-09-30 1.7482
1992-10-31 1.597
1992-11-30 1.492
1992-12-31 1.5149
1993-01-31 1.495
1993-02-28 1.4113
1993-03-31 1.433
1993-04-30 1.5094
1993-05-31 1.5106
1993-06-30 1.4796
1993-07-31 1.4663
1993-08-31 1.4634
1993-09-30 1.4942
1993-10-31 1.4752
1993-11-30 1.4572
1993-12-31 1.4711
1994-01-31 1.4721
1994-02-28 1.4639
1994-03-31 1.4807
1994-04-30 1.4751
1994-05-31 1.4993
1994-06-30 1.5177
1994-07-31 1.5407
1994-08-31 1.5292
1994-09-30 1.5488
1994-10-31 1.5934
1994-11-30 1.5826
1994-12-31 1.5581
1995-01-31 1.5709
1995-02-28 1.5619
1995-03-31 1.5876
1995-04-30 1.5943
1995-05-31 1.5693
1995-06-30 1.5752
1995-07-31 1.5753
1995-08-31 1.5526
1995-09-30 1.5458
1995-10-31 1.5642
1995-11-30 1.5491
1995-12-31 1.5284
1996-01-31 1.5168
1996-02-29 1.5212
1996-03-31 1.5171
1996-04-30 1.5065
1996-05-31 1.5087
1996-06-30 1.5418
1996-07-31 1.5565
1996-08-31 1.5491
1996-09-30 1.5604
1996-10-31 1.5788
1996-11-30 1.6445
1996-12-31 1.647
1997-01-31 1.6447
1997-02-28 1.6122
1997-03-31 1.5969
1997-04-30 1.6208
1997-05-31 1.6235
1997-06-30 1.6298
1997-07-31 1.6483
1997-08-31 1.5814
1997-09-30 1.5797
1997-10-31 1.6098
1997-11-30 1.6608
1997-12-31 1.6334
1998-01-31 1.6078
1998-02-28 1.6139
1998-03-31 1.6357
1998-04-30 1.6486
1998-05-31 1.6133
1998-06-30 1.621
1998-07-31 1.6124
1998-08-31 1.6039
1998-09-30 1.6545
1998-10-31 1.667
1998-11-30 1.6418
1998-12-31 1.6594
1999-01-31 1.6386
1999-02-28 1.6275
1999-03-31 1.6231
1999-04-30 1.6104
1999-05-31 1.6167
1999-06-30 1.6003
1999-07-31 1.58
1999-08-31 1.6106
1999-09-30 1.6233
1999-10-31 1.6549
1999-11-30 1.62
1999-12-31 1.6118
2000-01-31 1.6388
2000-02-29 1.6024
2000-03-31 1.5838
2000-04-30 1.5882
2000-05-31 1.5193
2000-06-30 1.5204
2000-07-31 1.5194
2000-08-31 1.4993
2000-09-30 1.4425
2000-10-31 1.458
2000-11-30 1.4344
2000-12-31 1.4684
2001-01-31 1.475
2001-02-28 1.4482
2001-03-31 1.4391
2001-04-30 1.4262
2001-05-31 1.4134
2001-06-30 1.3829
2001-07-31 1.3938
2001-08-31 1.4181
2001-09-30 1.4414
2001-10-31 1.4253
2001-11-30 1.4221
2001-12-31 1.421
2002-01-31 1.4032
2002-02-28 1.3946
2002-03-31 1.397
2002-04-30 1.4164
2002-05-31 1.4295
2002-06-30 1.4534
2002-07-31 1.5206
2002-08-31 1.5051
2002-09-30 1.524
2002-10-31 1.5248
2002-11-30 1.5356
2002-12-31 1.5484
2003-01-31 1.5789
2003-02-28 1.5747
2003-03-31 1.5495
2003-04-30 1.541
2003-05-31 1.587
2003-06-30 1.6218
2003-07-31 1.5886
2003-08-31 1.5573
2003-09-30 1.5714
2003-10-31 1.6321
2003-11-30 1.6416
2003-12-31 1.7013
2004-01-31 1.7703
2004-02-29 1.8116
2004-03-31 1.7689
2004-04-30 1.7459
2004-05-31 1.7366
2004-06-30 1.7766
2004-07-31 1.7921
2004-08-31 1.7709
2004-09-30 1.7453
2004-10-31 1.7631
2004-11-30 1.8228
2004-12-31 1.8936
2005-01-31 1.8474
2005-02-28 1.8582
2005-03-31 1.8817
2005-04-30 1.8735
2005-05-31 1.8357
2005-06-30 1.8035
2005-07-31 1.7453
2005-08-31 1.7908
2005-09-30 1.8039
2005-10-31 1.7655
2005-11-30 1.7371
2005-12-31 1.7503
2006-01-31 1.7729
2006-02-28 1.7561
2006-03-31 1.7527
2006-04-30 1.7789
2006-05-31 1.8793
2006-06-30 1.855
2006-07-31 1.8579
2006-08-31 1.9007
2006-09-30 1.8876
2006-10-31 1.8762
2006-11-30 1.9108
2006-12-31 1.96
2007-01-31 1.9522
2007-02-28 1.951
2007-03-31 1.938
2007-04-30 1.9801
2007-05-31 1.9715
2007-06-30 1.9728
2007-07-31 2.0168
2007-08-31 1.989
2007-09-30 1.9953
2007-10-31 2.0219
2007-11-30 2.0429
2007-12-31 1.9922
2008-01-31 1.9338
2008-02-29 1.9164
2008-03-31 1.9475
2008-04-30 1.9324
2008-05-31 1.9138
2008-06-30 1.9151
2008-07-31 1.9391
2008-08-31 1.847
2008-09-30 1.7623
2008-10-31 1.6691
2008-11-30 1.5292
2008-12-31 1.4863
2009-01-31 1.4422
2009-02-28 1.4412
2009-03-31 1.4211
2009-04-30 1.4722
2009-05-31 1.5415
2009-06-30 1.6354
2009-07-31 1.6351
2009-08-31 1.6526
2009-09-30 1.6322
2009-10-31 1.6173
2009-11-30 1.6546
2009-12-31 1.6198
2010-01-31 1.6116
2010-02-28 1.5579
2010-03-31 1.5025
2010-04-30 1.5316
2010-05-31 1.4633
2010-06-30 1.4767
2010-07-31 1.5276
2010-08-31 1.5623
2010-09-30 1.5537
2010-10-31 1.5806
2010-11-30 1.59
2010-12-31 1.5543
2011-01-31 1.5709
2011-02-28 1.6019
2011-03-31 1.605
2011-04-30 1.6231
2011-05-31 1.6213
2011-06-30 1.6129
2011-07-31 1.6075
2011-08-31 1.6285
2011-09-30 1.573
2011-10-31 1.5707
2011-11-30 1.5743
2011-12-31 1.5531
2012-01-31 1.5453
2012-02-29 1.5747
2012-03-31 1.5778
2012-04-30 1.5969
2012-05-31 1.5871
2012-06-30 1.5554
2012-07-31 1.5581
2012-08-31 1.5708
2012-09-30 1.6095
2012-10-31 1.606
2012-11-30 1.5946
2012-12-31 1.6126
2013-01-31 1.5932
2013-02-28 1.5457
2013-03-31 1.5063
2013-04-30 1.5299
2013-05-31 1.5262
2013-06-30 1.5448
2013-07-31 1.5145
2013-08-31 1.5474
2013-09-30 1.5826
2013-10-31 1.6048
2013-11-30 1.6054
2013-12-31 1.6325
2014-01-31 1.6418
2014-02-28 1.6513
2014-03-31 1.6568
2014-04-30 1.6683
2014-05-31 1.6776
2014-06-30 1.6826
2014-07-31 1.698
2014-08-31 1.663
2014-09-30 1.6235
2014-10-31 1.6004
2014-11-30 1.573
2014-12-31 1.5605
2015-01-31 1.5117
2015-02-28 1.5315
2015-03-31 1.4944
2015-04-30 1.4947
2015-05-31 1.5444
2015-06-30 1.5544
2015-07-31 1.553
2015-08-31 1.556
2015-09-30 1.5307
2015-10-31 1.5322
2015-11-30 1.5205
2015-12-31 1.5006
2016-01-31 1.441
2016-02-29 1.4331
2016-03-31 1.4297
2016-04-30 1.4354
2016-05-31 1.4565
2016-06-30 1.4263
2016-07-31 1.3223
2016-08-31 1.3207
2016-09-30 1.3248
2016-10-31 1.2424
2016-11-30 1.2534
2016-12-31 1.2607
2017-01-31 1.2481
2017-02-28 1.2622
2017-03-31 1.2486
2017-04-30 1.2791
2017-05-31 1.3083
2017-06-30 1.2962
2017-07-31 1.3145
2017-08-31 1.3113
2017-09-30 1.3473
2017-10-31 1.3348
2017-11-30 1.3383
2017-12-31 1.3588
2018-01-31 1.4036
2018-02-28 1.4184
2018-03-31 1.4197
2018-04-30 1.4322
2018-05-31 1.3707
2018-06-30 1.353
2018-07-31 1.3397
2018-08-31 1.3109
2018-09-30 1.3303
2018-10-31 1.3261
2018-11-30 1.3145
2018-12-31 1.289
2019-01-31 1.3128
2019-02-28 1.3249
2019-03-31 1.3392
2019-04-30 1.3258
2019-05-31 1.305
2019-06-30 1.2844
2019-07-31 1.2644
2019-08-31 1.2301
2019-09-30 1.2496
2019-10-31 1.2773
2019-11-30 1.3008
2019-12-31 1.3236
2020-01-31 1.3208
2020-02-29 1.307
2020-03-31 1.24
2020-04-30 1.2431
2020-05-31 1.2318
2020-06-30 1.2548
2020-07-31 1.2715
2020-08-31 1.3147
2020-09-30 1.2983
2020-10-31 1.3011
2020-11-30 1.3235
2020-12-31 1.3462
2021-01-31 1.3667
2021-02-28 1.3893
2021-03-31 1.3877
2021-04-30 1.3861
2021-05-31 1.4101
2021-06-30 1.4033