Quarterly
1975-03-31 0.6709
1975-06-30 0.6819
1975-09-30 0.7308
1975-12-31 0.869
1976-03-31 0.8691
1976-06-30 0.8702
1976-09-30 0.8691
1976-12-31 0.8703
1977-03-31 0.8692
1977-06-30 0.8697
1977-09-30 0.8695
1977-12-31 0.8708
1978-03-31 0.8688
1978-06-30 0.868
1978-09-30 0.8693
1978-12-31 0.8689
1979-03-31 0.8564
1979-06-30 0.8451
1979-09-30 0.8367
1979-12-31 0.8276
1980-03-31 0.8139
1980-06-30 0.7895
1980-09-30 0.7589
1980-12-31 0.7511
1981-03-31 0.7707
1981-06-30 0.8393
1981-09-30 0.9382
1981-12-31 0.9622
1982-03-31 0.991
1982-06-30 1.0789
1982-09-30 1.1494
1982-12-31 1.1285
1983-03-31 1.084
1983-06-30 1.0884
1983-09-30 1.1073
1983-12-31 1.1745
1984-03-31 1.2342
1984-06-30 1.2779
1984-09-30 1.5763
1984-12-31 1.8145
1985-03-31 2.0459
1985-06-30 1.9658
1985-09-30 2.2785
1985-12-31 2.6415
1986-03-31 2.1651
1986-06-30 2.255
1986-09-30 2.4852
1986-12-31 2.2385
1987-03-31 2.0797
1987-06-30 2.0146
1987-09-30 2.0596
1987-12-31 1.9926
1988-03-31 2.0568
1988-06-30 2.2115
1988-09-30 2.4344
1988-12-31 2.4031
1989-03-31 2.4599
1989-06-30 2.6717
1989-09-30 2.7352
1989-12-31 2.6268
1990-03-31 2.572
1990-06-30 2.655
1990-09-30 2.5918
1990-12-31 2.5333
1991-03-31 2.5837
1991-06-30 2.7993
1991-09-30 2.863
1991-12-31 2.7994
1992-03-31 2.8276
1992-06-30 2.8437
1992-09-30 2.7727
1992-12-31 2.9643
1993-03-31 3.1256
1993-06-30 3.1974
1993-09-30 3.3743
1993-12-31 3.3786
1994-03-31 3.4398
1994-06-30 3.6184
1994-09-30 3.6074
1994-12-31 3.5423
1995-03-31 3.568
1995-06-30 3.6429
1995-09-30 3.6463
1995-12-31 3.6527
1996-03-31 3.7698
1996-06-30 4.313
1996-09-30 4.4736
1996-12-31 4.6363
1997-03-31 4.5142
1997-06-30 4.4705
1997-09-30 4.6414
1997-12-31 4.8026
1998-03-31 4.9501
1998-06-30 5.1815
1998-09-30 6.2103
1998-12-31 5.7845
1999-03-31 6.1085
1999-06-30 6.1258
1999-09-30 6.0979
1999-12-31 6.1282
2000-03-31 6.3116
2000-06-30 6.8742
2000-09-30 7.0039
2000-12-31 7.603
2001-03-31 7.824
2001-06-30 8.0692
2001-09-30 8.3878
2001-12-31 10.1367
2002-03-31 11.5223
2002-06-30 10.4729
2002-09-30 10.4113
2002-12-31 9.6617
2003-03-31 8.3403
2003-06-30 7.7365
2003-09-30 7.4086
2003-12-31 6.736
2004-03-31 6.7691
2004-06-30 6.5882
2004-09-30 6.3725
2004-12-31 6.0579
2005-03-31 6.0079
2005-06-30 6.4214
2005-09-30 6.5078
2005-12-31 6.5369
2006-03-31 6.1519
2006-06-30 6.4883
2006-09-30 7.1488
2006-12-31 7.324
2007-03-31 7.2433
2007-06-30 7.0938
2007-09-30 7.1024
2007-12-31 6.7672
2008-03-31 7.5258
2008-06-30 7.7767
2008-09-30 7.7774
2008-12-31 9.9348
2009-03-31 9.957
2009-06-30 8.4551
2009-09-30 7.8056
2009-12-31 7.4906
2010-03-31 7.5101
2010-06-30 7.5583
2010-09-30 7.3172
2010-12-31 6.9061
2011-03-31 7.0028
2011-06-30 6.8014
2011-09-30 7.1509
2011-12-31 8.1003
2012-03-31 7.7537
2012-06-30 8.1303
2012-09-30 8.2581
2012-12-31 8.6948
2013-03-31 8.9546
2013-06-30 9.4832
2013-09-30 9.9815
2013-12-31 10.1526
2014-03-31 10.8604
2014-06-30 10.5481
2014-09-30 10.7665
2014-12-31 11.2122
2015-03-31 11.7505
2015-06-30 12.1029
2015-09-30 12.9953
2015-12-31 14.2017
2016-03-31 15.8278
2016-06-30 15.0063
2016-09-30 14.0546
2016-12-31 13.9168
2017-03-31 13.2131
2017-06-30 13.1847
2017-09-30 13.1896
2017-12-31 13.6608
2018-03-31 11.9661
2018-06-30 12.6762
2018-09-30 14.0566
2018-12-31 14.2832
2019-03-31 14.0159
2019-06-30 14.3829
2019-09-30 14.6604
2019-12-31 14.7125
2020-03-31 15.3931
2020-06-30 17.9372
2020-09-30 16.9034
2020-12-31 15.6342
2021-03-31 14.964
2021-06-30 14.1103
2021-09-30 14.6318
2021-12-31 15.4317
2022-03-31 15.201
2022-06-30 15.6271
2022-09-30 17.0326
2022-12-31 17.6203
2023-03-31 17.7753
2023-06-30 18.6834
2023-09-30 18.6452
2023-12-31 18.7499