Monthly
1975-01-31 10.5854
1975-02-28 9.877
1975-03-31 9.4943
1975-04-30 9.258
1975-05-31 9.4685
1975-06-30 9.4259
1975-07-31 9.8556
1975-08-31 10.4299
1975-09-30 10.3574
1975-10-31 11.4242
1975-11-30 11.1011
1975-12-31 10.8045
1976-01-31 9.9934
1976-02-29 8.7602
1976-03-31 8.461
1976-04-30 9.0649
1976-05-31 10.4423
1976-06-30 10.9605
1976-07-31 10.8681
1976-08-31 10.8778
1976-09-30 12.1156
1976-10-31 14.4033
1976-11-30 14.1464
1976-12-31 13.7798
1977-01-31 12.7331
1977-02-28 11.0232
1977-03-31 9.6873
1977-04-30 8.1127
1977-05-31 7.3993
1977-06-30 7.4511
1977-07-31 7.4232
1977-08-31 6.5345
1977-09-30 5.6845
1977-10-31 4.5263
1977-11-30 4.9525
1977-12-31 6.3684
1978-01-31 5.8113
1978-02-28 5.9577
1978-03-31 5.9256
1978-04-30 6.7329
1978-05-31 8.4051
1978-06-30 9.172
1978-07-31 9.2195
1978-08-31 8.9296
1978-09-30 8.9617
1978-10-31 9.86
1978-11-30 11.524
1978-12-31 11.5656
1979-01-31 11.8588
1979-02-28 12.635
1979-03-31 11.348
1979-04-30 11.316
1979-05-31 11.3636
1979-06-30 12.8529
1979-07-31 13.3234
1979-08-31 13.3175
1979-09-30 13.382
1979-10-31 13.3805
1979-11-30 15.3303
1979-12-31 15.8968
1980-01-31 15.8716
1980-02-29 16.1333
1980-03-31 16.1813
1980-04-30 16.1663
1980-05-31 16.0912
1980-06-30 15.7996
1980-07-31 14.5801
1980-08-31 14.9039
1980-09-30 14.4045
1980-10-31 14.2947
1980-11-30 13.9456
1980-12-31 13.0839
1981-01-31 12.8241
1981-02-28 12.0883
1981-03-31 11.5347
1981-04-30 11.3189
1981-05-31 11.3631
1981-06-30 12.0885
1981-07-31 13.15
1981-08-31 13.4163
1981-09-30 13.9623
1981-10-31 15.5491
1981-11-30 14.0751
1981-12-31 14.489
1982-01-31 14.0358
1982-02-28 13.2963
1982-03-31 12.4833
1982-04-30 12.8934
1982-05-31 12.5338
1982-06-30 12.2303
1982-07-31 11.2792
1982-08-31 10.0784
1982-09-30 9.8238
1982-10-31 8.7581
1982-11-30 9.2226
1982-12-31 9.912
1983-01-31 10.5933
1983-02-28 10.7396
1983-03-31 10.4159
1983-04-30 9.7473
1983-05-31 9.6969
1983-06-30 9.4298
1983-07-31 9.3929
1983-08-31 9.3427
1983-09-30 9.1576
1983-10-31 8.8414
1983-11-30 8.8427
1983-12-31 8.8702
1984-01-31 8.8686
1984-02-29 8.8543
1984-03-31 8.433
1984-04-30 8.3756
1984-05-31 8.8376
1984-06-30 8.8479
1984-07-31 10.9748
1984-08-31 10.2132
1984-09-30 10.0208
1984-10-31 9.8505
1984-11-30 9.2259
1984-12-31 9.1039
1985-01-31 10.8032
1985-02-28 13.0884
1985-03-31 12.8178
1985-04-30 11.9253
1985-05-31 11.9353
1985-06-30 11.8893
1985-07-31 11.3855
1985-08-31 10.9607
1985-09-30 11.0606
1985-10-31 11.0696
1985-11-30 11.1006
1985-12-31 11.1591
1986-01-31 11.9771
1986-02-28 12.0179
1986-03-31 11.0552
1986-04-30 9.994
1986-05-31 9.7045
1986-06-30 9.3186
1986-07-31 9.4622
1986-08-31 9.3649
1986-09-30 9.6058
1986-10-31 10.2528
1986-11-30 10.6329
1986-12-31 10.6614
1987-01-31 10.5245
1987-02-28 10.2904
1987-03-31 9.3465
1987-04-30 9.2839
1987-05-31 8.396
1987-06-30 8.5403
1987-07-31 8.837
1987-08-31 9.7888
1987-09-30 9.6931
1987-10-31 9.4483
1987-11-30 8.433
1987-12-31 8.191
1988-01-31 8.3032
1988-02-29 8.7588
1988-03-31 8.3725
1988-04-30 7.7213
1988-05-31 7.4628
1988-06-30 8.7311
1988-07-31 10.0086
1988-08-31 10.7794
1988-09-30 11.5632
1988-10-31 11.5209
1988-11-30 11.8077
1988-12-31 12.5503
1989-01-31 12.4488
1989-02-28 12.3895
1989-03-31 12.4052
1989-04-30 12.5074
1989-05-31 12.5376
1989-06-30 13.5883
1989-07-31 13.2921
1989-08-31 13.3411
1989-09-30 13.4484
1989-10-31 14.456
1989-11-30 14.4713
1989-12-31 14.4819
1990-01-31 14.4986
1990-02-28 14.4497
1990-03-31 14.5806
1990-04-30 14.5949
1990-05-31 14.4991
1990-06-30 14.3588
1990-07-31 14.3218
1990-08-31 14.3145
1990-09-30 14.2611
1990-10-31 13.3732
1990-11-30 12.9204
1990-12-31 12.958
1991-01-31 12.9695
1991-02-28 12.1498
1991-03-31 11.5822
1991-04-30 11.2503
1991-05-31 10.8437
1991-06-30 10.7163
1991-07-31 10.523
1991-08-31 10.2023
1991-09-30 9.6626
1991-10-31 9.8765
1991-11-30 9.9885
1991-12-31 10.1136
1992-01-31 9.9515
1992-02-29 9.7774
1992-03-31 10.0984
1992-04-30 9.8858
1992-05-31 9.3905
1992-06-30 9.4208
1992-07-31 9.4279
1992-08-31 9.6574
1992-09-30 9.2868
1992-10-31 7.4655
1992-11-30 6.4932
1992-12-31 6.3923
1993-01-31 5.7909
1993-02-28 5.3829
1993-03-31 5.374
1993-04-30 5.3232
1993-05-31 5.2776
1993-06-30 5.1746
1993-07-31 5.1166
1993-08-31 5.0767
1993-09-30 5.183
1993-10-31 5.0896
1993-11-30 4.9002
1993-12-31 4.8811
1994-01-31 4.8846
1994-02-28 4.7571
1994-03-31 4.8459
1994-04-30 4.8723
1994-05-31 4.8129
1994-06-30 4.8916
1994-07-31 5.122
1994-08-31 5.3392
1994-09-30 5.3857
1994-10-31 5.4434
1994-11-30 5.6297
1994-12-31 5.8695
1995-01-31 5.9255
1995-02-28 6.1575
1995-03-31 6.0857
1995-04-30 6.2998
1995-05-31 6.197
1995-06-30 6.3721
1995-07-31 6.617
1995-08-31 6.5843
1995-09-30 6.5116
1995-10-31 6.5709
1995-11-30 6.3985
1995-12-31 6.198
1996-01-31 6.0813
1996-02-29 5.9446
1996-03-31 5.7931
1996-04-30 5.7987
1996-05-31 5.8203
1996-06-30 5.5836
1996-07-31 5.4909
1996-08-31 5.5428
1996-09-30 5.5359
1996-10-31 5.6089
1996-11-30 6.0545
1996-12-31 6.0719
1997-01-31 6.0147
1997-02-28 5.8121
1997-03-31 5.9177
1997-04-30 6.0911
1997-05-31 6.1462
1997-06-30 6.367
1997-07-31 6.6294
1997-08-31 6.8282
1997-09-30 6.8816
1997-10-31 6.9366
1997-11-30 7.0896
1997-12-31 7.0697
1998-01-31 6.8426
1998-02-28 6.8778
1998-03-31 6.9513
1998-04-30 7.0027
1998-05-31 7.01
1998-06-30 7.2916
1998-07-31 7.219
1998-08-31 7.194
1998-09-30 6.9448
1998-10-31 6.5383
1998-11-30 6.3118
1998-12-31 5.7172
1999-01-31 5.2781
1999-02-28 5.0407
1999-03-31 4.9192
1999-04-30 4.9003
1999-05-31 4.9302
1999-06-30 4.7598
1999-07-31 4.7596
1999-08-31 4.8495
1999-09-30 5.1223
1999-10-31 5.2315
1999-11-30 5.2018
1999-12-31 5.4637
2000-01-31 5.7218
2000-02-29 5.8346
2000-03-31 5.8582
2000-04-30 5.9178
2000-05-31 5.9501
2000-06-30 5.8535
2000-07-31 5.8333
2000-08-31 5.8103
2000-09-30 5.7798
2000-10-31 5.7482
2000-11-30 5.6833
2000-12-31 5.6229
2001-01-31 5.4852
2001-02-28 5.4582
2001-03-31 5.2286
2001-04-30 5.1158
2001-05-31 4.9765
2001-06-30 4.991
2001-07-31 5.0052
2001-08-31 4.7198
2001-09-30 4.4297
2001-10-31 4.1567
2001-11-30 3.7799
2001-12-31 3.8296
2002-01-31 3.8321
2002-02-28 3.868
2002-03-31 3.9672
2002-04-30 3.9693
2002-05-31 3.9525
2002-06-30 3.9767
2002-07-31 3.8408
2002-08-31 3.7663
2002-09-30 3.7861
2002-10-31 3.7509
2002-11-30 3.8033
2002-12-31 3.8418
2003-01-31 3.7993
2003-02-28 3.4993
2003-03-31 3.4721
2003-04-30 3.4537
2003-05-31 3.4366
2003-06-30 3.4724
2003-07-31 3.3119
2003-08-31 3.3998
2003-09-30 3.5239
2003-10-31 3.6514
2003-11-30 3.808
2003-12-31 3.8298
2004-01-31 3.8983
2004-02-29 3.9788
2004-03-31 4.1025
2004-04-30 4.1862
2004-05-31 4.34
2004-06-30 4.5793
2004-07-31 4.6424
2004-08-31 4.7218
2004-09-30 4.6937
2004-10-31 4.679
2004-11-30 4.6578
2004-12-31 4.677
2005-01-31 4.6568
2005-02-28 4.6858
2005-03-31 4.7691
2005-04-30 4.7047
2005-05-31 4.6618
2005-06-30 4.6175
2005-07-31 4.4609
2005-08-31 4.4057
2005-09-30 4.4037
2005-10-31 4.402
2005-11-30 4.4169
2005-12-31 4.4287
2006-01-31 4.3906
2006-02-28 4.3839
2006-03-31 4.3956
2006-04-30 4.4196
2006-05-31 4.5012
2006-06-30 4.5414
2006-07-31 4.534
2006-08-31 4.7544
2006-09-30 4.8359
2006-10-31 4.9357
2006-11-30 5.0095
2006-12-31 5.0759
2007-01-31 5.304
2007-02-28 5.3393
2007-03-31 5.3274
2007-04-30 5.4329
2007-05-31 5.5516
2007-06-30 5.6702
2007-07-31 5.7742
2007-08-31 5.7943
2007-09-30 5.6896
2007-10-31 5.6058
2007-11-30 5.4986
2007-12-31 5.3034
2008-01-31 5.1215
2008-02-29 5.0178
2008-03-31 4.8835
2008-04-30 4.8258
2008-05-31 4.9496
2008-06-30 5.1138
2008-07-31 5.0843
2008-08-31 4.9539
2008-09-30 4.7425
2008-10-31 3.6788
2008-11-30 1.9948
2008-12-31 1.2875
2009-01-31 0.8945
2009-02-28 0.7177
2009-03-31 0.6035
2009-04-30 0.625
2009-05-31 0.5271
2009-06-30 0.5037
2009-07-31 0.4397
2009-08-31 0.3946
2009-09-30 0.3761
2009-10-31 0.4315
2009-11-30 0.4459
2009-12-31 0.3587
2010-01-31 0.4874
2010-02-28 0.4878
2010-03-31 0.5109
2010-04-30 0.5083
2010-05-31 0.4976
2010-06-30 0.4839
2010-07-31 0.498
2010-08-31 0.4945
2010-09-30 0.4966
2010-10-31 0.5061
2010-11-30 0.4935
2010-12-31 0.4913
2011-01-31 0.5055
2011-02-28 0.5363
2011-03-31 0.5603
2011-04-30 0.5676
2011-05-31 0.5265
2011-06-30 0.5174
2011-07-31 0.4996
2011-08-31 0.4531
2011-09-30 0.4649
2011-10-31 0.4608
2011-11-30 0.4387
2011-12-31 0.2996
2012-01-31 0.3239
2012-02-29 0.3912
2012-03-31 0.4248
2012-04-30 0.4236
2012-05-31 0.3561
2012-06-30 0.3422
2012-07-31 0.2943
2012-08-31 0.2398
2012-09-30 0.2478
2012-10-31 0.2368
2012-11-30 0.2243
2012-12-31 0.249
2013-01-31 0.2677
2013-02-28 0.3147
2013-03-31 0.3391
2013-04-30 0.3447
2013-05-31 0.3065
2013-06-30 0.3066
2013-07-31 0.3124
2013-08-31 0.2812
2013-09-30 0.289
2013-10-31 0.3141
2013-11-30 0.2865
2013-12-31 0.2555
2014-01-31 0.3211
2014-02-28 0.3624
2014-03-31 0.3882
2014-04-30 0.3688
2014-05-31 0.284
2014-06-30 0.3586
2014-07-31 0.4271
2014-08-31 0.3978
2014-09-30 0.4351
2014-10-31 0.3964
2014-11-30 0.4114
2014-12-31 0.4101
2015-01-31 0.377
2015-02-28 0.338
2015-03-31 0.4295
2015-04-30 0.4322
2015-05-31 0.4511
2015-06-30 0.467
2015-07-31 0.4895
2015-08-31 0.4643
2015-09-30 0.4532
2015-10-31 0.48
2015-11-30 0.4806
2015-12-31 0.4551
2016-01-31 0.4823
2016-02-29 0.4711
2016-03-31 0.4505
2016-04-30 0.4489
2016-05-31 0.4362
2016-06-30 0.4046
2016-07-31 0.3689
2016-08-31 0.2281
2016-09-30 0.2104
2016-10-31 0.1711
2016-11-30 0.1385
2016-12-31 0.0518
2017-01-31 0.1441
2017-02-28 0.1131
2017-03-31 0.0231
2017-04-30 0.0709
2017-05-31 0.0592
2017-06-30 0.0759