Monthly
1979-01-31 1.9773
1979-02-28 2.0136
1979-03-31 2.0594
1979-04-30 2.0619
1979-05-31 2.0657
1979-06-30 2.1526
1979-07-31 2.2407
1979-08-31 2.2438
1979-09-30 2.195
1979-10-31 2.0826
1979-11-30 2.1853
1979-12-31 2.2129
1980-01-31 2.2486
1980-02-29 2.265
1980-03-31 2.1716
1980-04-30 2.2396
1980-05-31 2.3065
1980-06-30 2.3156
1980-07-31 2.3084
1980-08-31 2.3691
1980-09-30 2.3781
1980-10-31 2.428
1980-11-30 2.3795
1980-12-31 2.412
1981-01-31 2.3984
1981-02-28 2.2257
1981-03-31 2.2554
1981-04-30 2.1686
1981-05-31 2.0988
1981-06-30 1.9647
1981-07-31 1.8674
1981-08-31 1.8682
1981-09-30 1.8151
1981-10-31 1.8439
1981-11-30 1.9462
1981-12-31 1.9038
1982-01-31 1.8848
1982-02-28 1.8284
1982-03-31 1.7925
1982-04-30 1.8029
1982-05-31 1.799
1982-06-30 1.7557
1982-07-31 1.7468
1982-08-31 1.7206
1982-09-30 1.6995
1982-10-31 1.6791
1982-11-30 1.6136
1982-12-31 1.6135
1983-01-31 1.5174
1983-02-28 1.5059
1983-03-31 1.4785
1983-04-30 1.5572
1983-05-31 1.603
1983-06-30 1.535
1983-07-31 1.522
1983-08-31 1.4959
1983-09-30 1.4952
1983-10-31 1.4961
1983-11-30 1.4687
1983-12-31 1.4546
1984-01-31 1.4048
1984-02-29 1.4956
1984-03-31 1.4481
1984-04-30 1.4041
1984-05-31 1.3932
1984-06-30 1.3657
1984-07-31 1.3101
1984-08-31 1.3142
1984-09-30 1.241
1984-10-31 1.2157
1984-11-30 1.2026
1984-12-31 1.1545
1985-01-31 1.1192
1985-02-28 1.0707
1985-03-31 1.2177
1985-04-30 1.2268
1985-05-31 1.2717
1985-06-30 1.2971
1985-07-31 1.4054
1985-08-31 1.3845
1985-09-30 1.3956
1985-10-31 1.4328
1985-11-30 1.4786
1985-12-31 1.4326
1986-01-31 1.3926
1986-02-28 1.4348
1986-03-31 1.4641
1986-04-30 1.5399
1986-05-31 1.4624
1986-06-30 1.5222
1986-07-31 1.4794
1986-08-31 1.4722
1986-09-30 1.4308
1986-10-31 1.3908
1986-11-30 1.4192
1986-12-31 1.4668
1987-01-31 1.4966
1987-02-28 1.5303
1987-03-31 1.5913
1987-04-30 1.6517
1987-05-31 1.6219
1987-06-30 1.6047
1987-07-31 1.5842
1987-08-31 1.6181
1987-09-30 1.621
1987-10-31 1.7163
1987-11-30 1.8275
1987-12-31 1.8806
1988-01-31 1.7618
1988-02-29 1.7619
1988-03-31 1.8771
1988-04-30 1.8742
1988-05-31 1.84
1988-06-30 1.697
1988-07-31 1.7012
1988-08-31 1.6657
1988-09-30 1.6725
1988-10-31 1.7545
1988-11-30 1.8311
1988-12-31 1.7919
1989-01-31 1.7412
1989-02-28 1.7305
1989-03-31 1.6748
1989-04-30 1.6757
1989-05-31 1.5538
1989-06-30 1.5321
1989-07-31 1.6398
1989-08-31 1.5545
1989-09-30 1.5981
1989-10-31 1.5545
1989-11-30 1.5442
1989-12-31 1.5871
1990-01-31 1.6541
1990-02-28 1.6624
1990-03-31 1.6195
1990-04-30 1.6087
1990-05-31 1.6498
1990-06-30 1.7165
1990-07-31 1.8277
1990-08-31 1.8596
1990-09-30 1.8409
1990-10-31 1.9183
1990-11-30 1.9137
1990-12-31 1.9006
1991-01-31 1.9264
1991-02-28 1.8864
1991-03-31 1.7133
1991-04-30 1.6971
1991-05-31 1.6809
1991-06-30 1.6015
1991-07-31 1.6629
1991-08-31 1.6552
1991-09-30 1.7306
1991-10-31 1.7159
1991-11-30 1.7387
1991-12-31 1.8367
1992-01-31 1.7645
1992-02-29 1.7316
1992-03-31 1.7078
1992-04-30 1.7445
1992-05-31 1.8043
1992-06-30 1.8741
1992-07-31 1.8938
1992-08-31 1.9503
1992-09-30 1.7514
1992-10-31 1.5477
1992-11-30 1.5024
1992-12-31 1.5017
1993-01-31 1.4773
1993-02-28 1.4104
1993-03-31 1.4963
1993-04-30 1.5567
1993-05-31 1.5533
1993-06-30 1.4904
1993-07-31 1.4714
1993-08-31 1.4783
1993-09-30 1.4884
1993-10-31 1.4801
1993-11-30 1.4746
1993-12-31 1.471
1994-01-31 1.4911
1994-02-28 1.4812
1994-03-31 1.4793
1994-04-30 1.513
1994-05-31 1.5098
1994-06-30 1.5419
1994-07-31 1.5321
1994-08-31 1.5356
1994-09-30 1.5758
1994-10-31 1.6292
1994-11-30 1.5651
1994-12-31 1.5641
1995-01-31 1.5855
1995-02-28 1.579
1995-03-31 1.6267
1995-04-30 1.6068
1995-05-31 1.5878
1995-06-30 1.5876
1995-07-31 1.5973
1995-08-31 1.5457
1995-09-30 1.5797
1995-10-31 1.578
1995-11-30 1.5265
1995-12-31 1.5472
1996-01-31 1.5078
1996-02-29 1.5282
1996-03-31 1.5241
1996-04-30 1.498
1996-05-31 1.5476
1996-06-30 1.5531
1996-07-31 1.5548
1996-08-31 1.5626
1996-09-30 1.563
1996-10-31 1.6255
1996-11-30 1.6771
1996-12-31 1.7082
1997-01-31 1.5998
1997-02-28 1.6264
1997-03-31 1.6281
1997-04-30 1.6198
1997-05-31 1.6343
1997-06-30 1.6591
1997-07-31 1.6315
1997-08-31 1.6154
1997-09-30 1.6094
1997-10-31 1.6702
1997-11-30 1.6773
1997-12-31 1.638
1998-01-31 1.6276
1998-02-28 1.6381
1998-03-31 1.6672
1998-04-30 1.6655
1998-05-31 1.6245
1998-06-30 1.6588
1998-07-31 1.6274
1998-08-31 1.6554
1998-09-30 1.6914
1998-10-31 1.6677
1998-11-30 1.6454
1998-12-31 1.6598
1999-01-31 1.6403
1999-02-28 1.5998
1999-03-31 1.6129
1999-04-30 1.6091
1999-05-31 1.6004
1999-06-30 1.5781
1999-07-31 1.6209
1999-08-31 1.6098
1999-09-30 1.6475
1999-10-31 1.6417
1999-11-30 1.5935
1999-12-31 1.6123
2000-01-31 1.6209
2000-02-29 1.5789
2000-03-31 1.5959
2000-04-30 1.5652
2000-05-31 1.4978
2000-06-30 1.5167
2000-07-31 1.4996
2000-08-31 1.4568
2000-09-30 1.4809
2000-10-31 1.4547
2000-11-30 1.4209
2000-12-31 1.4971
2001-01-31 1.4607
2001-02-28 1.4403
2001-03-31 1.4199
2001-04-30 1.4276
2001-05-31 1.4159
2001-06-30 1.4019
2001-07-31 1.42
2001-08-31 1.4456
2001-09-30 1.463
2001-10-31 1.4469
2001-11-30 1.4253
2001-12-31 1.448
2002-01-31 1.406
2002-02-28 1.4067
2002-03-31 1.4165
2002-04-30 1.4496
2002-05-31 1.455
2002-06-30 1.5173
2002-07-31 1.5534
2002-08-31 1.5389
2002-09-30 1.5643
2002-10-31 1.5556
2002-11-30 1.5463
2002-12-31 1.5995
2003-01-31 1.6331
2003-02-28 1.5661
2003-03-31 1.5715
2003-04-30 1.5887
2003-05-31 1.6286
2003-06-30 1.6401
2003-07-31 1.5981
2003-08-31 1.5718
2003-09-30 1.6507
2003-10-31 1.6855
2003-11-30 1.7082
2003-12-31 1.7778
2004-01-31 1.8069
2004-02-29 1.8415
2004-03-31 1.8233
2004-04-30 1.7591
2004-05-31 1.8185
2004-06-30 1.7991
2004-07-31 1.8041
2004-08-31 1.7855
2004-09-30 1.7967
2004-10-31 1.8202
2004-11-30 1.9009
2004-12-31 1.9094
2005-01-31 1.8764
2005-02-28 1.9162
2005-03-31 1.8819
2005-04-30 1.9022
2005-05-31 1.8159
2005-06-30 1.7876
2005-07-31 1.7571
2005-08-31 1.7962
2005-09-30 1.7668
2005-10-31 1.7689
2005-11-30 1.7299
2005-12-31 1.7166
2006-01-31 1.7782
2006-02-28 1.7526
2006-03-31 1.7365
2006-04-30 1.8203
2006-05-31 1.8742
2006-06-30 1.8533
2006-07-31 1.8707
2006-08-31 1.9041
2006-09-30 1.87
2006-10-31 1.9085
2006-11-30 1.9679
2006-12-31 1.9576
2007-01-31 1.9568
2007-02-28 1.9595
2007-03-31 1.9605
2007-04-30 1.9984
2007-05-31 1.9764
2007-06-30 2.0037
2007-07-31 2.0292
2007-08-31 2.0131
2007-09-30 2.0333
2007-10-31 2.071
2007-11-30 2.0498
2007-12-31 1.986
2008-01-31 1.9768
2008-02-29 1.9761
2008-03-31 1.9733
2008-04-30 1.9675
2008-05-31 1.9622
2008-06-30 1.9763
2008-07-31 1.9676
2008-08-31 1.8119
2008-09-30 1.7871
2008-10-31 1.6085
2008-11-30 1.5354
2008-12-31 1.4353
2009-01-31 1.4406
2009-02-28 1.4253
2009-03-31 1.4336
2009-04-30 1.482
2009-05-31 1.612
2009-06-30 1.6466
2009-07-31 1.6576
2009-08-31 1.631
2009-09-30 1.5989
2009-10-31 1.647
2009-11-30 1.6402
2009-12-31 1.6139
2010-01-31 1.601
2010-02-28 1.5215
2010-03-31 1.5159
2010-04-30 1.5308
2010-05-31 1.4462
2010-06-30 1.4962
2010-07-31 1.5655
2010-08-31 1.5358
2010-09-30 1.5745
2010-10-31 1.5976
2010-11-30 1.5564
2010-12-31 1.5644
2011-01-31 1.6004
2011-02-28 1.6249
2011-03-31 1.601
2011-04-30 1.6628
2011-05-31 1.6443
2011-06-30 1.6038
2011-07-31 1.64
2011-08-31 1.6266
2011-09-30 1.5566
2011-10-31 1.6125
2011-11-30 1.5715
2011-12-31 1.5448
2012-01-31 1.5768
2012-02-29 1.5966
2012-03-31 1.5972
2012-04-30 1.623
2012-05-31 1.5386
2012-06-30 1.5682
2012-07-31 1.567
2012-08-31 1.5878
2012-09-30 1.6145
2012-10-31 1.6105
2012-11-30 1.6024
2012-12-31 1.6164
2013-01-31 1.5849
2013-02-28 1.5172
2013-03-31 1.5174
2013-04-30 1.5556
2013-05-31 1.5153
2013-06-30 1.5158
2013-07-31 1.5155
2013-08-31 1.5461
2013-09-30 1.6184
2013-10-31 1.6056
2013-11-30 1.6372
2013-12-31 1.6518
2014-01-31 1.6424
2014-02-28 1.6747
2014-03-31 1.6662
2014-04-30 1.6873
2014-05-31 1.6762
2014-06-30 1.7084
2014-07-31 1.687
2014-08-31 1.6596
2014-09-30 1.6199
2014-10-31 1.5987
2014-11-30 1.5653
2014-12-31 1.5597
2015-01-31 1.5009
2015-02-28 1.5442
2015-03-31 1.4838
2015-04-30 1.5359
2015-05-31 1.5251
2015-06-30 1.5719
2015-07-31 1.5597
2015-08-31 1.5347
2015-09-30 1.5143
2015-10-31 1.5439
2015-11-30 1.5056
2015-12-31 1.4821
2016-01-31 1.4191
2016-02-29 1.3934
2016-03-31 1.4383
2016-04-30 1.4655
2016-05-31 1.4566
2016-06-30 1.3439
2016-07-31 1.3288
2016-08-31 1.3124
2016-09-30 1.3018
2016-10-31 1.224
2016-11-30 1.2525
2016-12-31 1.2332
2017-01-31 1.2615
2017-02-28 1.2472
2017-03-31 1.2535
2017-04-30 1.2972
2017-05-31 1.2949
2017-06-30 1.3027
2017-07-31 1.3223
2017-08-31 1.2924
2017-09-30 1.3455
2017-10-31 1.332
2017-11-30 1.3573
2017-12-31 1.3551
2018-01-31 1.4271
2018-02-28 1.3836
2018-03-31 1.4088
2018-04-30 1.3838
2018-05-31 1.3367
2018-06-30 1.3257
2018-07-31 1.317
2018-08-31 1.3045
2018-09-30 1.3102
2018-10-31 1.2843
2018-11-30 1.2822
2018-12-31 1.2826
2019-01-31 1.3214
2019-02-28 1.3362
2019-03-31 1.3089
2019-04-30 1.3098
2019-05-31 1.2659
2019-06-30 1.2779
2019-07-31 1.2299
2019-08-31 1.2227
2019-09-30 1.2368
2019-10-31 1.2978
2019-11-30 1.2976
2019-12-31 1.3243
2020-01-31 1.3211
2020-02-29 1.2805