Quarterly
1999-09-30 8657
1999-12-31 11628
2000-03-31 8746
2000-06-30 11459
2000-09-30 10527
2000-12-31 11202
2001-03-31 10820
2001-06-30 10538
2001-09-30 6881
2001-12-31 5379
2002-03-31 6805
2002-06-30 7743
2002-09-30 7974
2002-12-31 5423
2003-03-31 6902
2003-06-30 6605
2003-09-30 8558
2003-12-31 9304
2004-03-31 8740
2004-06-30 8296
2004-09-30 7740
2004-12-31 7081
2005-03-31 7241
2005-06-30 7551
2005-09-30 7618
2005-12-31 6167
2006-03-31 6374
2006-06-30 5773
2006-09-30 7698
2006-12-31 6306
2007-03-31 6126
2007-06-30 6181
2007-09-30 5618
2007-12-31 7682
2008-03-31 7344
2008-06-30 8200
2008-09-30 5441
2008-12-31 5536
2009-03-31 6419
2009-06-30 6563
2009-09-30 6299
2009-12-31 6295
2010-03-31 9039
2010-06-30 12220
2010-09-30 10942
2010-12-31 11215
2011-03-31 12173
2011-06-30 11704
2011-09-30 11620
2011-12-31 13004
2012-03-31 14199
2012-06-30 16148
2012-09-30 17950
2012-12-31 17748
2013-03-31 17555
2013-06-30 18981
2013-09-30 20650
2013-12-31 21650
2014-03-31 21349
2014-06-30 22849
2014-09-30 24087
2014-12-31 25855
2015-03-31 35115
2015-06-30 36607
2015-09-30 37987
2015-12-31 38654
2016-03-31 40333
2016-06-30 44150
2016-09-30 42010
2016-12-31 40396
2017-03-31 42256
2017-06-30 43642
2017-09-30 43249
2017-12-31 40421
2018-03-31 40761
2018-06-30 41331
2018-09-30 41646
2018-12-31 42482
2019-03-31 46032
2019-06-30 46367
2019-09-30 41200
2019-12-31 41097
2020-03-31 48240
2020-06-30 46687
2020-09-30 37591
2020-12-31 35006
2021-03-31 32954
2021-06-30 31873
2021-09-30 32201
2021-12-31 32903
2022-03-31 38611
2022-06-30 33967
2022-09-30 26604
2022-12-31 22979
2023-03-31 23193
2023-06-30 25857
2023-09-30 24417
2023-12-31 24592