Quarterly
1975-03-31 0.7474
1975-06-30 0.7749
1975-09-30 0.9606
1975-12-31 0.9629
1976-03-31 0.9823
1976-06-30 1.0128
1976-09-30 1.03
1976-12-31 1.0582
1977-03-31 1.0417
1977-06-30 1.0347
1977-09-30 1.0309
1977-12-31 0.9843
1978-03-31 0.9804
1978-06-30 0.9709
1978-09-30 0.943
1978-12-31 0.9398
1979-03-31 0.9479
1979-06-30 0.9914
1979-09-30 0.9965
1979-12-31 1.0173
1980-03-31 1.0633
1980-06-30 1.0132
1980-09-30 1.0199
1980-12-31 1.0397
1981-03-31 1.0923
1981-06-30 1.1765
1981-09-30 1.2195
1981-12-31 1.2151
1982-03-31 1.3072
1982-06-30 1.3468
1982-09-30 1.3947
1982-12-31 1.3652
1983-03-31 1.5326
1983-06-30 1.5256
1983-09-30 1.5198
1983-12-31 1.5279
1984-03-31 1.5065
1984-06-30 1.5773
1984-09-30 2.0534
1984-12-31 2.103
1985-03-31 2.1598
1985-06-30 2.0661
1985-09-30 1.8265
1985-12-31 1.998
1986-03-31 1.8709
1986-06-30 1.8215
1986-09-30 2.0483
1986-12-31 1.885
1987-03-31 1.7553
1987-06-30 1.6883
1987-09-30 1.5461
1987-12-31 1.5147
1988-03-31 1.5552
1988-06-30 1.4859
1988-09-30 1.6335
1988-12-31 1.5898
1989-03-31 1.6284
1989-06-30 1.7443
1989-09-30 1.6964
1989-12-31 1.6844
1990-03-31 1.7271
1990-06-30 1.6998
1990-09-30 1.626
1990-12-31 1.705
1991-03-31 1.705
1991-06-30 1.7379
1991-09-30 1.7646
1991-12-31 1.8508
1992-03-31 1.8305
1992-06-30 1.8376
1992-09-30 1.8615
1992-12-31 1.9474
1993-03-31 1.8779
1993-06-30 1.8639
1993-09-30 1.8165
1993-12-31 1.7873
1994-03-31 1.7778
1994-06-30 1.6829
1994-09-30 1.6606
1994-12-31 1.5625
1995-03-31 1.5291
1995-06-30 1.4963
1995-09-30 1.5188
1995-12-31 1.5295
1996-03-31 1.4682
1996-06-30 1.4596
1996-09-30 1.4298
1996-12-31 1.4132
1997-03-31 1.4388
1997-06-30 1.4754
1997-09-30 1.5623
1997-12-31 1.7218
1998-03-31 1.8086
1998-06-30 1.9264
1998-09-30 1.9976
1998-12-31 1.8929
1999-03-31 1.8751
1999-06-30 1.8875
1999-09-30 1.9369
1999-12-31 1.9175
2000-03-31 2.0133
2000-06-30 2.1236
2000-09-30 2.46
2000-12-31 2.2589
2001-03-31 2.4661
2001-06-30 2.4913
2001-09-30 2.4594
2001-12-31 2.401
2002-03-31 2.2722
2002-06-30 2.0597
2002-09-30 2.1317
2002-12-31 1.912
2003-03-31 1.8044
2003-06-30 1.7074
2003-09-30 1.6827
2003-12-31 1.5235
2004-03-31 1.5024
2004-06-30 1.5728
2004-09-30 1.4795
2004-12-31 1.3852
2005-03-31 1.4031
2005-06-30 1.4372
2005-09-30 1.4422
2005-12-31 1.468
2006-03-31 1.6359
2006-06-30 1.6388
2006-09-30 1.5314
2006-12-31 1.4182
2007-03-31 1.3988
2007-06-30 1.2947
2007-09-30 1.3242
2007-12-31 1.299
2008-03-31 1.2721
2008-06-30 1.3135
2008-09-30 1.4995
2008-12-31 1.7114
2009-03-31 1.7522
2009-06-30 1.5432
2009-09-30 1.3824
2009-12-31 1.3742
2010-03-31 1.4094
2010-06-30 1.4539
2010-09-30 1.3596
2010-12-31 1.2798
2011-03-31 1.311
2011-06-30 1.2108
2011-09-30 1.3079
2011-12-31 1.293
2012-03-31 1.2203
2012-06-30 1.2439
2012-09-30 1.2037
2012-12-31 1.2162
2013-03-31 1.1937
2013-06-30 1.2948
2013-09-30 1.2006
2013-12-31 1.2167
2014-03-31 1.1523
2014-06-30 1.1422
2014-09-30 1.2829
2014-12-31 1.276
2015-03-31 1.3333
2015-06-30 1.4789
2015-09-30 1.563
2015-12-31 1.4611
2016-03-31 1.4397
2016-06-30 1.4041
2016-09-30 1.3749
2016-12-31 1.4362
2017-03-31 1.4304
2017-06-30 1.3657
2017-09-30 1.3829
2017-12-31 1.4041
2018-03-31 1.386
2018-06-30 1.4771
2018-09-30 1.5081
2018-12-31 1.4894
2019-03-31 1.4665
2019-06-30 1.4885
2019-09-30 1.5944
2019-12-31 1.4837
2020-03-31 1.6863
2020-06-30 1.5535
2020-09-30 1.5129
2020-12-31 1.3812
2021-03-31 1.4276
2021-06-30 1.4314
2021-09-30 1.4497
2021-12-31 1.4637
2022-03-31 1.438
2022-06-30 1.6082
2022-09-30 1.7677
2022-12-31 1.5755
2023-03-31 1.598
2023-06-30 1.6321
2023-09-30 1.6639
2023-12-31 1.5795