Monthly
1975-01-31 2.3827
1975-02-28 2.4341
1975-03-31 2.3955
1975-04-30 2.3089
1975-05-31 2.2626
1975-06-30 2.1191
1975-07-31 2.0848
1975-08-31 2.0445
1975-09-30 1.9937
1975-10-31 2.0424
1975-11-30 2
1975-12-31 1.9915
1976-01-31 2.0262
1976-02-29 2.0565
1976-03-31 1.946
1976-04-30 1.8792
1976-05-31 1.794
1976-06-30 1.8423
1976-07-31 1.8305
1976-08-31 1.8098
1976-09-30 1.7133
1976-10-31 1.6314
1976-11-30 1.5967
1976-12-31 1.7208
1977-01-31 1.7507
1977-02-28 1.7967
1977-03-31 1.8216
1977-04-30 1.8006
1977-05-31 1.8066
1977-06-30 1.8231
1977-07-31 1.8579
1977-08-31 1.8727
1977-09-30 1.8756
1977-10-31 2.0407
1977-11-30 2.0107
1977-12-31 2.0996
1978-01-31 2.1632
1978-02-28 2.1583
1978-03-31 2.1093
1978-04-30 2.0704
1978-05-31 2.0526
1978-06-30 2.0914
1978-07-31 2.1832
1978-08-31 2.2376
1978-09-30 2.3322
1978-10-31 2.4302
1978-11-30 2.2785
1978-12-31 2.4182
1979-01-31 2.3854
1979-02-28 2.4149
1979-03-31 2.4004
1979-04-30 2.3616
1979-05-31 2.4081
1979-06-30 2.538
1979-07-31 2.6429
1979-08-31 2.6292
1979-09-30 2.5532
1979-10-31 2.4635
1979-11-30 2.5712
1979-12-31 2.6055
1980-01-31 2.6286
1980-02-29 2.6038
1980-03-31 2.5799
1980-04-30 2.6794
1980-05-31 2.719
1980-06-30 2.712
1980-07-31 2.7216
1980-08-31 2.7715
1980-09-30 2.7953
1980-10-31 2.8682
1980-11-30 2.804
1980-12-31 2.857
1981-01-31 2.8385
1981-02-28 2.6714
1981-03-31 2.6559
1981-04-30 2.5646
1981-05-31 2.4885
1981-06-30 2.3261
1981-07-31 2.2766
1981-08-31 2.2179
1981-09-30 2.1847
1981-10-31 2.2227
1981-11-30 2.3073
1981-12-31 2.2678
1982-01-31 2.2534
1982-02-28 2.2366
1982-03-31 2.1942
1982-04-30 2.1905
1982-05-31 2.2285
1982-06-30 2.2532
1982-07-31 2.1873
1982-08-31 2.1289
1982-09-30 2.0938
1982-10-31 2.0554
1982-11-30 2.001
1982-12-31 1.9911
1983-01-31 1.8846
1983-02-28 1.8619
1983-03-31 1.8267
1983-04-30 1.9136
1983-05-31 1.9778
1983-06-30 1.8836
1983-07-31 1.876
1983-08-31 1.8427
1983-09-30 1.8432
1983-10-31 1.8417
1983-11-30 1.8158
1983-12-31 1.807
1984-01-31 1.7526
1984-02-29 1.8668
1984-03-31 1.8404
1984-04-30 1.791
1984-05-31 1.7945
1984-06-30 1.7879
1984-07-31 1.7194
1984-08-31 1.6987
1984-09-30 1.6331
1984-10-31 1.6018
1984-11-30 1.5933
1984-12-31 1.5303
1985-01-31 1.4996
1985-02-28 1.4998
1985-03-31 1.6826
1985-04-30 1.692
1985-05-31 1.7684
1985-06-30 1.7827
1985-07-31 1.9166
1985-08-31 1.9062
1985-09-30 1.9272
1985-10-31 1.975
1985-11-30 2.0591
1985-12-31 2.0208
1986-01-31 2.0056
1986-02-28 2.0677
1986-03-31 2.0648
1986-04-30 2.1371
1986-05-31 2.0309
1986-06-30 2.1274
1986-07-31 2.0578
1986-08-31 2.0669
1986-09-30 2.0104
1986-10-31 1.958
1986-11-30 1.9894
1986-12-31 2.0496
1987-01-31 2.03
1987-02-28 2.0606
1987-03-31 2.0988
1987-04-30 2.2196
1987-05-31 2.181
1987-06-30 2.1467
1987-07-31 2.115
1987-08-31 2.1527
1987-09-30 2.1356
1987-10-31 2.2695
1987-11-30 2.3939
1987-12-31 2.4525
1988-01-31 2.258
1988-02-29 2.2361
1988-03-31 2.3243
1988-04-30 2.3099
1988-05-31 2.2721
1988-06-30 2.0683
1988-07-31 2.0733
1988-08-31 2.0343
1988-09-30 2.0502
1988-10-31 2.1574
1988-11-30 2.1939
1988-12-31 2.1573
1989-01-31 2.0795
1989-02-28 2.0907
1989-03-31 2.0118
1989-04-30 1.9976
1989-05-31 1.8951
1989-06-30 1.8567
1989-07-31 1.9621
1989-08-31 1.8517
1989-09-30 1.9075
1989-10-31 1.8541
1989-11-30 1.8259
1989-12-31 1.8676
1990-01-31 1.9917
1990-02-28 2.0146
1990-03-31 1.9261
1990-04-30 1.9049
1990-05-31 1.9694
1990-06-30 2.0323
1990-07-31 2.1459
1990-08-31 2.1851
1990-09-30 2.1617
1990-10-31 2.2714
1990-11-30 2.256
1990-12-31 2.2382
1991-01-31 2.2801
1991-02-28 2.2005
1991-03-31 2.0144
1991-04-30 1.9798
1991-05-31 1.9498
1991-06-30 1.8509
1991-07-31 1.9418
1991-08-31 1.9152
1991-09-30 1.9805
1991-10-31 1.9535
1991-11-30 1.9996
1991-12-31 2.1586
1992-01-31 2.1035
1992-02-29 2.0776
1992-03-31 2.0646
1992-04-30 2.1205
1992-05-31 2.2066
1992-06-30 2.2798
1992-07-31 2.2796
1992-08-31 2.3739
1992-09-30 2.2225
1992-10-31 1.9407
1992-11-30 1.9489
1992-12-31 1.9256
1993-01-31 1.8901
1993-02-28 1.777
1993-03-31 1.8925
1993-04-30 1.9936
1993-05-31 1.9864
1993-06-30 1.9248
1993-07-31 1.9019
1993-08-31 1.9646
1993-09-30 1.9978
1993-10-31 1.9667
1993-11-30 1.9825
1993-12-31 1.9569
1994-01-31 1.9881
1994-02-28 2.0104
1994-03-31 2.0531
1994-04-30 2.095
1994-05-31 2.0964
1994-06-30 2.1324
1994-07-31 2.1239
1994-08-31 2.1087
1994-09-30 2.1153
1994-10-31 2.2054
1994-11-30 2.1528
1994-12-31 2.1945
1995-01-31 2.2432
1995-02-28 2.1995
1995-03-31 2.2833
1995-04-30 2.19
1995-05-31 2.1766
1995-06-30 2.1856
1995-07-31 2.1972
1995-08-31 2.0811
1995-09-30 2.1313
1995-10-31 2.1236
1995-11-30 2.0764
1995-12-31 2.1149
1996-01-31 2.0796
1996-02-29 2.101
1996-03-31 2.0798
1996-04-30 2.0425
1996-05-31 2.1254
1996-06-30 2.1216
1996-07-31 2.1378
1996-08-31 2.1387
1996-09-30 2.1311
1996-10-31 2.1838
1996-11-30 2.2646
1996-12-31 2.3472
1997-01-31 2.1606
1997-02-28 2.226
1997-03-31 2.2448
1997-04-30 2.2678
1997-05-31 2.2588
1997-06-30 2.2949
1997-07-31 2.2631
1997-08-31 2.2515
1997-09-30 2.2336
1997-10-31 2.363
1997-11-30 2.3979
1997-12-31 2.3546
1998-01-31 2.3896
1998-02-28 2.3422
1998-03-31 2.3821
1998-04-30 2.3925
1998-05-31 2.3742
1998-06-30 2.4509
1998-07-31 2.4652
1998-08-31 2.6254
1998-09-30 2.5946
1998-10-31 2.5924
1998-11-30 2.5248
1998-12-31 2.5567
1999-01-31 2.4827
1999-02-28 2.4152
1999-03-31 2.4413
1999-04-30 2.3451
1999-05-31 2.3568
1999-06-30 2.331
1999-07-31 2.4315
1999-08-31 2.4008
1999-09-30 2.4199
1999-10-31 2.4133
1999-11-30 2.3459
1999-12-31 2.3397
2000-01-31 2.3485
2000-02-29 2.2911
2000-03-31 2.3146
2000-04-30 2.3169
2000-05-31 2.2391
2000-06-30 2.2442
2000-07-31 2.2242
2000-08-31 2.1455
2000-09-30 2.2245
2000-10-31 2.2178
2000-11-30 2.1803
2000-12-31 2.2438
2001-01-31 2.2363
2001-02-28 2.2074
2001-03-31 2.2385
2001-04-30 2.1937
2001-05-31 2.1962
2001-06-30 2.1352
2001-07-31 2.1779
2001-08-31 2.2483
2001-09-30 2.3228
2001-10-31 2.3086
2001-11-30 2.2408
2001-12-31 2.3231
2002-01-31 2.2475
2002-02-28 2.2697
2002-03-31 2.2723
2002-04-30 2.2875
2002-05-31 2.236
2002-06-30 2.3207
2002-07-31 2.4738
2002-08-31 2.4137
2002-09-30 2.4941
2002-10-31 2.4492
2002-11-30 2.4374
2002-12-31 2.5427
2003-01-31 2.5182
2003-02-28 2.3465
2003-03-31 2.3251
2003-04-30 2.2919
2003-05-31 2.249
2003-06-30 2.2426
2003-07-31 2.2635
2003-08-31 2.1944
2003-09-30 2.2421
2003-10-31 2.2366
2003-11-30 2.2356
2003-12-31 2.3144
2004-01-31 2.4236
2004-02-29 2.4895
2004-03-31 2.4161
2004-04-30 2.4396
2004-05-31 2.5021
2004-06-30 2.4316
2004-07-31 2.4178
2004-08-31 2.3703
2004-09-30 2.2911
2004-10-31 2.2353
2004-11-30 2.2736
2004-12-31 2.301
2005-01-31 2.3395
2005-02-28 2.3665
2005-03-31 2.287
2005-04-30 2.3974
2005-05-31 2.2854
2005-06-30 2.1955
2005-07-31 2.1586
2005-08-31 2.1378
2005-09-30 2.0527
2005-10-31 2.0881
2005-11-30 2.0221
2005-12-31 2.006
2006-01-31 2.031
2006-02-28 1.9928
2006-03-31 2.0231
2006-04-30 2.0368
2006-05-31 2.0604
2006-06-30 2.0565
2006-07-31 2.1104
2006-08-31 2.1106
2006-09-30 2.0842
2006-10-31 2.1369
2006-11-30 2.2461
2006-12-31 2.277
2007-01-31 2.3105
2007-02-28 2.2983
2007-03-31 2.2622
2007-04-30 2.2095
2007-05-31 2.1149
2007-06-30 2.1346
2007-07-31 2.1704
2007-08-31 2.1341
2007-09-30 2.0248
2007-10-31 1.9735
2007-11-30 2.0553
2007-12-31 1.965
2008-01-31 2.0045
2008-02-29 1.9432
2008-03-31 2.039
2008-04-30 1.9946
2008-05-31 1.9643
2008-06-30 2.0192
2008-07-31 2.0321
2008-08-31 1.9324
2008-09-30 1.8947
2008-10-31 1.9637
2008-11-30 1.9045
2008-12-31 1.7744
2009-01-31 1.7874
2009-02-28 1.8094
2009-03-31 1.8033
2009-04-30 1.7606
2009-05-31 1.7668
2009-06-30 1.9126
2009-07-31 1.7934
2009-08-31 1.767
2009-09-30 1.7168
2009-10-31 1.7744
2009-11-30 1.7302
2009-12-31 1.6931
2010-01-31 1.7071
2010-02-28 1.6092
2010-03-31 1.5387
2010-04-30 1.5511
2010-05-31 1.5204
2010-06-30 1.59
2010-07-31 1.6132
2010-08-31 1.6387
2010-09-30 1.6163
2010-10-31 1.6268
2010-11-30 1.5997
2010-12-31 1.5558
2011-01-31 1.6027
2011-02-28 1.5853
2011-03-31 1.5592
2011-04-30 1.5809
2011-05-31 1.5947
2011-06-30 1.5496
2011-07-31 1.5663
2011-08-31 1.5924
2011-09-30 1.6235
2011-10-31 1.6033
2011-11-30 1.5994
2011-12-31 1.5772
2012-01-31 1.5821
2012-02-29 1.5731
2012-03-31 1.5973
2012-04-30 1.6047
2012-05-31 1.5946
2012-06-30 1.5992
2012-07-31 1.5703
2012-08-31 1.5672
2012-09-30 1.5887
2012-10-31 1.6102
2012-11-30 1.5922
2012-12-31 1.6084
2013-01-31 1.5837
2013-02-28 1.5601
2013-03-31 1.5425
2013-04-30 1.5653
2013-05-31 1.567
2013-06-30 1.6001
2013-07-31 1.559
2013-08-31 1.6317
2013-09-30 1.6646
2013-10-31 1.6758
2013-11-30 1.7345
2013-12-31 1.7576
2014-01-31 1.8325
2014-02-28 1.8549
2014-03-31 1.8402
2014-04-30 1.853
2014-05-31 1.8215
2014-06-30 1.821
2014-07-31 1.8381
2014-08-31 1.8018
2014-09-30 1.8114
2014-10-31 1.8036
2014-11-30 1.7857
2014-12-31 1.8074
2015-01-31 1.9037
2015-02-28 1.9292
2015-03-31 1.8805
2015-04-30 1.8615
2015-05-31 1.904
2015-06-30 1.9635
2015-07-31 2.0292
2015-08-31 2.0307
2015-09-30 2.0309
2015-10-31 2.0206
2015-11-30 2.0051
2015-12-31 2.0584
2016-01-31 1.9968
2016-02-29 1.8881
2016-03-31 1.8594
2016-04-30 1.8349
2016-05-31 1.9036
2016-06-30 1.7446
2016-07-31 1.7301
2016-08-31 1.7187
2016-09-30 1.7073
2016-10-31 1.637
2016-11-30 1.6806
2016-12-31 1.6576
2017-01-31 1.6411
2017-02-28 1.6483
2017-03-31 1.6683
2017-04-30 1.7689
2017-05-31 1.7438
2017-06-30 1.687
2017-07-31 1.6489
2017-08-31 1.6159
2017-09-30 1.6773
2017-10-31 1.7126
2017-11-30 1.7432
2017-12-31 1.6935
2018-01-31 1.7448
2018-02-28 1.7656
2018-03-31 1.8093
2018-04-30 1.7659
2018-05-31 1.7263
2018-06-30 1.737
2018-07-31 1.7081
2018-08-31 1.6944
2018-09-30 1.6858
2018-10-31 1.6779
2018-11-30 1.6957
2018-12-31 1.7393
2019-01-31 1.7275
2019-02-28 1.7511
2019-03-31 1.7409
2019-04-30 1.7537
2019-05-31 1.7037
2019-06-30 1.6633
2019-07-31 1.6081
2019-08-31 1.6189
2019-09-30 1.6313
2019-10-31 1.7008
2019-11-30 1.7182
2019-12-31 1.7202
2020-01-31 1.7429
2020-02-29 1.7148
2020-03-31 1.7651
2020-04-30 1.7519
2020-05-31 1.709
2020-06-30 1.6835
2020-07-31 1.7589
2020-08-31 1.7469
2020-09-30 1.7266
2020-10-31 1.7245
2020-11-30 1.7305
2020-12-31 1.7378
2021-01-31 1.7533
2021-02-28 1.7695
2021-03-31 1.7336
2021-04-30 1.7034
2021-05-31 1.7126
2021-06-30 1.7112
2021-07-31 1.7352
2021-08-31 1.7391
2021-09-30 1.7083
2021-10-31 1.6989
2021-11-30 1.6969
2021-12-31 1.7166
2022-01-31 1.7068
2022-02-28 1.7018
2022-03-31 1.6439
2022-04-30 1.6047
2022-05-31 1.5938
2022-06-30 1.5661
2022-07-31 1.5583
2022-08-31 1.5242
2022-09-30 1.5352
2022-10-31 1.5705
2022-11-30 1.6149
2022-12-31 1.6283
2023-01-31 1.6421
2023-02-28 1.648
2023-03-31 1.6735
2023-04-30 1.7043
2023-05-31 1.6847
2023-06-30 1.6823
2023-07-31 1.693
2023-08-31 1.7145
2023-09-30 1.6504
2023-10-31 1.6842
2023-11-30 1.7169
2023-12-31 1.6808
2024-01-31 1.7011