Quarterly
1975-03-31 0.4133
1975-06-30 0.4303
1975-09-30 0.4698
1975-12-31 0.4895
1976-03-31 0.5011
1976-06-30 0.5543
1976-09-30 0.5663
1976-12-31 0.606
1977-03-31 0.5835
1977-06-30 0.5817
1977-09-30 0.5763
1977-12-31 0.5517
1978-03-31 0.5188
1978-06-30 0.5449
1978-09-30 0.5178
1978-12-31 0.5042
1979-03-31 0.4961
1979-06-30 0.4806
1979-09-30 0.4478
1979-12-31 0.4638
1980-03-31 0.4438
1980-06-30 0.4377
1980-09-30 0.4199
1980-12-31 0.419
1981-03-31 0.4335
1981-06-30 0.4824
1981-09-30 0.5441
1981-12-31 0.5312
1982-03-31 0.5422
1982-06-30 0.5622
1982-09-30 0.5797
1982-12-31 0.6066
1983-03-31 0.6539
1983-06-30 0.6434
1983-09-30 0.6627
1983-12-31 0.6801
1984-03-31 0.6969
1984-06-30 0.7166
1984-09-30 0.7701
1984-12-31 0.8217
1985-03-31 0.8976
1985-06-30 0.7955
1985-09-30 0.7274
1985-12-31 0.6967
1986-03-31 0.6952
1986-06-30 0.6629
1986-09-30 0.6717
1986-12-31 0.6992
1987-03-31 0.6485
1987-06-30 0.6095
1987-09-30 0.6181
1987-12-31 0.5713
1988-03-31 0.5567
1988-06-30 0.5442
1988-09-30 0.59
1988-12-31 0.5586
1989-03-31 0.5723
1989-06-30 0.6161
1989-09-30 0.6264
1989-12-31 0.631
1990-03-31 0.6039
1990-06-30 0.5969
1990-09-30 0.5375
1990-12-31 0.5139
1991-03-31 0.5244
1991-06-30 0.5855
1991-09-30 0.5937
1991-12-31 0.5643
1992-03-31 0.5649
1992-06-30 0.553
1992-09-30 0.5261
1992-12-31 0.6337
1993-03-31 0.6776
1993-06-30 0.6521
1993-09-30 0.6647
1993-12-31 0.6706
1994-03-31 0.6718
1994-06-30 0.6646
1994-09-30 0.6446
1994-12-31 0.6311
1995-03-31 0.6318
1995-06-30 0.6267
1995-09-30 0.6355
1995-12-31 0.6407
1996-03-31 0.6531
1996-06-30 0.6564
1996-09-30 0.6433
1996-12-31 0.6117
1997-03-31 0.6133
1997-06-30 0.6114
1997-09-30 0.6152
1997-12-31 0.6028
1998-03-31 0.6075
1998-06-30 0.6048
1998-09-30 0.605
1998-12-31 0.5967
1999-03-31 0.6125
1999-06-30 0.6225
1999-09-30 0.6244
1999-12-31 0.6133
2000-03-31 0.6231
2000-06-30 0.6538
2000-09-30 0.6767
2000-12-31 0.6919
2001-03-31 0.6859
2001-06-30 0.7043
2001-09-30 0.6961
2001-12-31 0.6931
2002-03-31 0.7012
2002-06-30 0.6842
2002-09-30 0.6454
2002-12-31 0.6365
2003-03-31 0.6239
2003-06-30 0.6176
2003-09-30 0.6208
2003-12-31 0.5865
2004-03-31 0.5441
2004-06-30 0.5538
2004-09-30 0.5499
2004-12-31 0.5367
2005-03-31 0.529
2005-06-30 0.5392
2005-09-30 0.5604
2005-12-31 0.5722
2006-03-31 0.5706
2006-06-30 0.5467
2006-09-30 0.5334
2006-12-31 0.5225
2007-03-31 0.5117
2007-06-30 0.5033
2007-09-30 0.4948
2007-12-31 0.4889
2008-03-31 0.5056
2008-06-30 0.5074
2008-09-30 0.5292
2008-12-31 0.6378
2009-03-31 0.6977
2009-06-30 0.6452
2009-09-30 0.6096
2009-12-31 0.6121
2010-03-31 0.6423
2010-06-30 0.6711
2010-09-30 0.6449
2010-12-31 0.6326
2011-03-31 0.6238
2011-06-30 0.6141
2011-09-30 0.6217
2011-12-31 0.6362
2012-03-31 0.6365
2012-06-30 0.6317
2012-09-30 0.6331
2012-12-31 0.6228
2013-03-31 0.6448
2013-06-30 0.6512
2013-09-30 0.6453
2013-12-31 0.6179
2014-03-31 0.6042
2014-06-30 0.5941
2014-09-30 0.5991
2014-12-31 0.6315
2015-03-31 0.6607
2015-06-30 0.6522
2015-09-30 0.6457
2015-12-31 0.6592
2016-03-31 0.6991
2016-06-30 0.6977
2016-09-30 0.7618
2016-12-31 0.8056
2017-03-31 0.807
2017-06-30 0.781
2017-09-30 0.7642
2017-12-31 0.7538
2018-03-31 0.7186
2018-06-30 0.7357
2018-09-30 0.7672
2018-12-31 0.7774
2019-03-31 0.7678
2019-06-30 0.7783
2019-09-30 0.8111
2019-12-31 0.7773
2020-03-31 0.7827
2020-06-30 0.8054
2020-09-30 0.7746
2020-12-31 0.7575
2021-03-31 0.7252
2021-06-30 0.7151
2021-09-30 0.7258
2021-12-31 0.7419
2022-03-31 0.7458
2022-06-30 0.7978
2022-09-30 0.8502
2022-12-31 0.8529
2023-03-31 0.8231
2023-06-30 0.7985
2023-09-30 0.7902
2023-12-31 0.8064