Monthly
1979-01-31 2.0017
1979-02-28 1.9987
1979-03-31 2.0343
1979-04-30 2.0701
1979-05-31 2.0552
1979-06-30 2.1067
1979-07-31 2.2534
1979-08-31 2.2329
1979-09-30 2.1962
1979-10-31 2.1454
1979-11-30 2.1299
1979-12-31 2.1963
1980-01-31 2.2596
1980-02-29 2.2841
1980-03-31 2.2058
1980-04-30 2.2164
1980-05-31 2.2903
1980-06-30 2.3197
1980-07-31 2.3571
1980-08-31 2.3565
1980-09-30 2.3919
1980-10-31 2.4104
1980-11-30 2.3972
1980-12-31 2.357
1981-01-31 2.4152
1981-02-28 2.2995
1981-03-31 2.2369
1981-04-30 2.1856
1981-05-31 2.1024
1981-06-30 1.985
1981-07-31 1.886
1981-08-31 1.8295
1981-09-30 1.8211
1981-10-31 1.8423
1981-11-30 1.9005
1981-12-31 1.9017
1982-01-31 1.8858
1982-02-28 1.8488
1982-03-31 1.8092
1982-04-30 1.7749
1982-05-31 1.8142
1982-06-30 1.7611
1982-07-31 1.737
1982-08-31 1.7262
1982-09-30 1.7147
1982-10-31 1.6982
1982-11-30 1.6333
1982-12-31 1.6168
1983-01-31 1.5704
1983-02-28 1.53
1983-03-31 1.4884
1983-04-30 1.5398
1983-05-31 1.5715
1983-06-30 1.5489
1983-07-31 1.5286
1983-08-31 1.5024
1983-09-30 1.4985
1983-10-31 1.4978
1983-11-30 1.4782
1983-12-31 1.4367
1984-01-31 1.4088
1984-02-29 1.441
1984-03-31 1.4583
1984-04-30 1.4264
1984-05-31 1.3919
1984-06-30 1.3802
1984-07-31 1.3214
1984-08-31 1.3147
1984-09-30 1.2598
1984-10-31 1.2201
1984-11-30 1.241
1984-12-31 1.1865
1985-01-31 1.1254
1985-02-28 1.0888
1985-03-31 1.1181
1985-04-30 1.2379
1985-05-31 1.2454
1985-06-30 1.2756
1985-07-31 1.3731
1985-08-31 1.379
1985-09-30 1.3614
1985-10-31 1.418
1985-11-30 1.4362
1985-12-31 1.4419
1986-01-31 1.4177
1986-02-28 1.4251
1986-03-31 1.4613
1986-04-30 1.4937
1986-05-31 1.5162
1986-06-30 1.5053
1986-07-31 1.5037
1986-08-31 1.482
1986-09-30 1.4667
1986-10-31 1.4217
1986-11-30 1.4195
1986-12-31 1.4331
1987-01-31 1.501
1987-02-28 1.5216
1987-03-31 1.5867
1987-04-30 1.6256
1987-05-31 1.6637
1987-06-30 1.6268
1987-07-31 1.6069
1987-08-31 1.5936
1987-09-30 1.643
1987-10-31 1.6592
1987-11-30 1.7724
1987-12-31 1.8265
1988-01-31 1.7956
1988-02-29 1.7548
1988-03-31 1.8295
1988-04-30 1.8749
1988-05-31 1.8688
1988-06-30 1.7778
1988-07-31 1.7011
1988-08-31 1.6944
1988-09-30 1.6786
1988-10-31 1.7329
1988-11-30 1.8039
1988-12-31 1.823
1989-01-31 1.7692
1989-02-28 1.7495
1989-03-31 1.7106
1989-04-30 1.6986
1989-05-31 1.6253
1989-06-30 1.5476
1989-07-31 1.6178
1989-08-31 1.5889
1989-09-30 1.565
1989-10-31 1.5798
1989-11-30 1.5639
1989-12-31 1.5869
1990-01-31 1.6429
1990-02-28 1.6874
1990-03-31 1.6153
1990-04-30 1.6284
1990-05-31 1.6683
1990-06-30 1.7
1990-07-31 1.7977
1990-08-31 1.8888
1990-09-30 1.868
1990-10-31 1.9354
1990-11-30 1.9549
1990-12-31 1.9157
1991-01-31 1.9236
1991-02-28 1.9548
1991-03-31 1.8167
1991-04-30 1.7414
1991-05-31 1.7166
1991-06-30 1.6423
1991-07-31 1.6429
1991-08-31 1.6765
1991-09-30 1.7178
1991-10-31 1.7149
1991-11-30 1.7704
1991-12-31 1.8169
1992-01-31 1.8027
1992-02-29 1.7689
1992-03-31 1.7144
1992-04-30 1.748
1992-05-31 1.8012
1992-06-30 1.8461
1992-07-31 1.9078
1992-08-31 1.93
1992-09-30 1.844
1992-10-31 1.6495
1992-11-30 1.522
1992-12-31 1.5488
1993-01-31 1.5275
1993-02-28 1.4349
1993-03-31 1.4588
1993-04-30 1.5435
1993-05-31 1.5443
1993-06-30 1.5064
1993-07-31 1.4926
1993-08-31 1.4874
1993-09-30 1.5224
1993-10-31 1.5001
1993-11-30 1.4774
1993-12-31 1.4875
1994-01-31 1.491
1994-02-28 1.4777
1994-03-31 1.4897
1994-04-30 1.4821
1994-05-31 1.5019
1994-06-30 1.5244
1994-07-31 1.5456
1994-08-31 1.5421
1994-09-30 1.5646
1994-10-31 1.6051
1994-11-30 1.5882
1994-12-31 1.5593
1995-01-31 1.5744
1995-02-28 1.5715
1995-03-31 1.6002
1995-04-30 1.6071
1995-05-31 1.5864
1995-06-30 1.5944
1995-07-31 1.5943
1995-08-31 1.567
1995-09-30 1.5573
1995-10-31 1.5768
1995-11-30 1.5611
1995-12-31 1.5388
1996-01-31 1.5294
1996-02-29 1.5352
1996-03-31 1.5263
1996-04-30 1.5138
1996-05-31 1.5144
1996-06-30 1.5413
1996-07-31 1.5535
1996-08-31 1.5497
1996-09-30 1.5592
1996-10-31 1.5855
1996-11-30 1.6616
1996-12-31 1.6639
1997-01-31 1.6576
1997-02-28 1.6237
1997-03-31 1.6055
1997-04-30 1.6289
1997-05-31 1.6325
1997-06-30 1.6434
1997-07-31 1.6686
1997-08-31 1.6013
1997-09-30 1.5995
1997-10-31 1.6308
1997-11-30 1.6866
1997-12-31 1.6575
1998-01-31 1.6328
1998-02-28 1.6384
1998-03-31 1.6594
1998-04-30 1.6708
1998-05-31 1.6341
1998-06-30 1.6481
1998-07-31 1.641
1998-08-31 1.6291
1998-09-30 1.6795
1998-10-31 1.6922
1998-11-30 1.6595
1998-12-31 1.6691
1999-01-31 1.6491
1999-02-28 1.6267
1999-03-31 1.6213
1999-04-30 1.61
1999-05-31 1.6148
1999-06-30 1.5949
1999-07-31 1.5749
1999-08-31 1.6077
1999-09-30 1.6246
1999-10-31 1.6573
1999-11-30 1.6216
1999-12-31 1.6142
2000-01-31 1.6402
2000-02-29 1.5996
2000-03-31 1.5804
2000-04-30 1.5839
2000-05-31 1.5082
2000-06-30 1.5097
2000-07-31 1.5096
2000-08-31 1.4918
2000-09-30 1.4362
2000-10-31 1.4519
2000-11-30 1.4264
2000-12-31 1.4635
2001-01-31 1.4772
2001-02-28 1.4527
2001-03-31 1.4449
2001-04-30 1.4343
2001-05-31 1.4246
2001-06-30 1.3999
2001-07-31 1.4122
2001-08-31 1.4349
2001-09-30 1.4614
2001-10-31 1.4493
2001-11-30 1.4344
2001-12-31 1.4392
2002-01-31 1.4297
2002-02-28 1.4208
2002-03-31 1.4199
2002-04-30 1.4408
2002-05-31 1.4567
2002-06-30 1.4838
2002-07-31 1.5519
2002-08-31 1.535
2002-09-30 1.5534
2002-10-31 1.5546
2002-11-30 1.569
2002-12-31 1.5829
2003-01-31 1.6134
2003-02-28 1.6055
2003-03-31 1.5803
2003-04-30 1.5716
2003-05-31 1.6198
2003-06-30 1.657
2003-07-31 1.6209
2003-08-31 1.5918
2003-09-30 1.6097
2003-10-31 1.6751
2003-11-30 1.6863
2003-12-31 1.7465
2004-01-31 1.819
2004-02-29 1.8628
2004-03-31 1.8219
2004-04-30 1.7959
2004-05-31 1.7825
2004-06-30 1.8224
2004-07-31 1.8377
2004-08-31 1.8166
2004-09-30 1.7876
2004-10-31 1.802
2004-11-30 1.8562
2004-12-31 1.9235
2005-01-31 1.8728
2005-02-28 1.8838
2005-03-31 1.9045
2005-04-30 1.8931
2005-05-31 1.851
2005-06-30 1.8156
2005-07-31 1.749
2005-08-31 1.7929
2005-09-30 1.807
2005-10-31 1.7632
2005-11-30 1.7336
2005-12-31 1.7458
2006-01-31 1.7678
2006-02-28 1.7472
2006-03-31 1.7439
2006-04-30 1.7691
2006-05-31 1.871
2006-06-30 1.8439
2006-07-31 1.846
2006-08-31 1.8953
2006-09-30 1.8855
2006-10-31 1.8762
2006-11-30 1.9123
2006-12-31 1.9636
2007-01-31 1.9587
2007-02-28 1.958
2007-03-31 1.9471
2007-04-30 1.9908
2007-05-31 1.9832
2007-06-30 1.9859
2007-07-31 2.033
2007-08-31 2.01
2007-09-30 2.0171
2007-10-31 2.0429
2007-11-30 2.0681
2007-12-31 2.0165
2008-01-31 1.9671
2008-02-29 1.9602
2008-03-31 1.9985
2008-04-30 1.9775
2008-05-31 1.9594
2008-06-30 1.9613
2008-07-31 1.9834
2008-08-31 1.8845
2008-09-30 1.7961
2008-10-31 1.6884
2008-11-30 1.5324
2008-12-31 1.4851
2009-01-31 1.4441
2009-02-28 1.4407
2009-03-31 1.4174
2009-04-30 1.4714
2009-05-31 1.5427
2009-06-30 1.6365
2009-07-31 1.6365
2009-08-31 1.6538
2009-09-30 1.6327
2009-10-31 1.6196
2009-11-30 1.6594
2009-12-31 1.6235
2010-01-31 1.6158
2010-02-28 1.5612
2010-03-31 1.505
2010-04-30 1.5338
2010-05-31 1.4627
2010-06-30 1.4761
2010-07-31 1.5297
2010-08-31 1.5657
2010-09-30 1.5575
2010-10-31 1.5858
2010-11-30 1.5957
2010-12-31 1.56
2011-01-31 1.5792
2011-02-28 1.6126
2011-03-31 1.6154
2011-04-30 1.6339
2011-05-31 1.6306
2011-06-30 1.6207
2011-07-31 1.6139
2011-08-31 1.6343
2011-09-30 1.5778
2011-10-31 1.5755
2011-11-30 1.5799
2011-12-31 1.5581
2012-01-31 1.5506
2012-02-29 1.5799
2012-03-31 1.582
2012-04-30 1.6011
2012-05-31 1.5902
2012-06-30 1.5569
2012-07-31 1.5587
2012-08-31 1.5717
2012-09-30 1.6114
2012-10-31 1.6077
2012-11-30 1.596
2012-12-31 1.6143
2013-01-31 1.5955
2013-02-28 1.5476
2013-03-31 1.5073
2013-04-30 1.5313
2013-05-31 1.5281
2013-06-30 1.5474
2013-07-31 1.5169
2013-08-31 1.5503
2013-09-30 1.5861
2013-10-31 1.609
2013-11-30 1.61
2013-12-31 1.6372
2014-01-31 1.6466
2014-02-28 1.6563
2014-03-31 1.6618
2014-04-30 1.6739
2014-05-31 1.684
2014-06-30 1.6902
2014-07-31 1.7064
2014-08-31 1.6705
2014-09-30 1.6301
2014-10-31 1.6064
2014-11-30 1.5777
2014-12-31 1.5637
2015-01-31 1.514
2015-02-28 1.5331
2015-03-31 1.4954
2015-04-30 1.4964
2015-05-31 1.5466
2015-06-30 1.5565
2015-07-31 1.5557
2015-08-31 1.558
2015-09-30 1.5324
2015-10-31 1.5336
2015-11-30 1.5187
2015-12-31 1.4985
2016-01-31 1.4379
2016-02-29 1.4297
2016-03-31 1.4252
2016-04-30 1.4313
2016-05-31 1.452
2016-06-30 1.4213
2016-07-31 1.3145
2016-08-31 1.3107
2016-09-30 1.3151
2016-10-31 1.2336
2016-11-30 1.2438
2016-12-31 1.2502
2017-01-31 1.2359
2017-02-28 1.2496
2017-03-31 1.2359
2017-04-30 1.2662
2017-05-31 1.2944
2017-06-30 1.2827
2017-07-31 1.3008
2017-08-31 1.2968
2017-09-30 1.3338
2017-10-31 1.321
2017-11-30 1.3231
2017-12-31 1.3427
2018-01-31 1.3846
2018-02-28 1.3976
2018-03-31 1.3992
2018-04-30 1.4102
2018-05-31 1.3477
2018-06-30 1.3308
2018-07-31 1.3187
2018-08-31 1.2896
2018-09-30 1.3079
2018-10-31 1.303
2018-11-30 1.2918
2018-12-31 1.2685
2019-01-31 1.2922
2019-02-28 1.3036
2019-03-31 1.3187
2019-04-30 1.3057
2019-05-31 1.2862
2019-06-30 1.2699
2019-07-31 1.2488
2019-08-31 1.2172
2019-09-30 1.2371
2019-10-31 1.2661
2019-11-30 1.2895
2019-12-31 1.3118
2020-01-31 1.3083
2020-02-29 1.2968