Monthly
1999-09-30 8657
1999-12-31 11628
2000-03-31 8746
2000-04-30 11041
2000-05-31 10816
2000-06-30 11459
2000-07-31 10873
2000-08-31 9548
2000-09-30 10527
2000-10-31 10099
2000-11-30 10640
2000-12-31 11202
2001-01-31 10852
2001-02-28 10077
2001-03-31 10820
2001-04-30 11041
2001-05-31 10734
2001-06-30 10538
2001-07-31 8649
2001-08-31 8033
2001-09-30 6881
2001-10-31 6069
2001-11-30 6589
2001-12-31 5379
2002-01-31 5448
2002-02-28 6723
2002-03-31 6805
2002-04-30 6638
2002-05-31 6719
2002-06-30 7743
2002-07-31 7726
2002-08-31 8165
2002-09-30 7974
2002-10-31 8492
2002-11-30 8396
2002-12-31 5423
2003-01-31 5555
2003-02-28 6425
2003-03-31 6902
2003-04-30 6321
2003-05-31 6824
2003-06-30 6605
2003-07-31 7716
2003-08-31 8196
2003-09-30 8558
2003-10-31 8485
2003-11-30 10005
2003-12-31 9304
2004-01-31 7856
2004-02-29 7842
2004-03-31 8740
2004-04-30 8316
2004-05-31 8226
2004-06-30 8296
2004-07-31 8219
2004-08-31 7488
2004-09-30 7740
2004-10-31 7543
2004-11-30 7600
2004-12-31 7081
2005-01-31 7779
2005-02-28 8213
2005-03-31 7241
2005-04-30 7473
2005-05-31 8178
2005-06-30 7551
2005-07-31 7789
2005-08-31 6741
2005-09-30 7618
2005-10-31 6878
2005-11-30 6511
2005-12-31 6167
2006-01-31 7216
2006-02-28 7550
2006-03-31 6374
2006-04-30 7009
2006-05-31 7327
2006-06-30 5773
2006-07-31 7288
2006-08-31 6808
2006-09-30 7698
2006-10-31 7456
2006-11-30 6388
2006-12-31 6306
2007-01-31 6735
2007-02-28 6913
2007-03-31 6126
2007-04-30 7057
2007-05-31 6649
2007-06-30 6181
2007-07-31 6204
2007-08-31 5190
2007-09-30 5618
2007-10-31 7416
2007-11-30 8228
2007-12-31 7682
2008-01-31 9125
2008-02-29 9767
2008-03-31 7344
2008-04-30 7919
2008-05-31 8229
2008-06-30 8200
2008-07-31 5695
2008-08-31 5434
2008-09-30 5441
2008-10-31 6498
2008-11-30 6546
2008-12-31 5536
2009-01-31 6609
2009-02-28 5951
2009-03-31 6419
2009-04-30 7390
2009-05-31 7407
2009-06-30 6563
2009-07-31 7237
2009-08-31 6798
2009-09-30 6299
2009-10-31 6038
2009-11-30 6101
2009-12-31 6295
2010-01-31 6922
2010-02-28 8074
2010-03-31 9039
2010-04-30 10287
2010-05-31 12180
2010-06-30 12220
2010-07-31 11578
2010-08-31 11021
2010-09-30 10942
2010-10-31 10243
2010-11-30 10838
2010-12-31 11215
2011-01-31 12109
2011-02-28 12963
2011-03-31 12173
2011-04-30 12791
2011-05-31 11887
2011-06-30 11704
2011-07-31 11295
2011-08-31 11733
2011-09-30 11620
2011-10-31 11677
2011-11-30 12099
2011-12-31 13004
2012-01-31 13367
2012-02-29 14780
2012-03-31 14199
2012-04-30 14730
2012-05-31 16926
2012-06-30 16148
2012-07-31 16723
2012-08-31 16834
2012-09-30 17950
2012-10-31 17933
2012-11-30 18243
2012-12-31 17748
2013-01-31 17122
2013-02-28 17895
2013-03-31 17555
2013-04-30 18129
2013-05-31 19119
2013-06-30 18981
2013-07-31 19674
2013-08-31 19868
2013-09-30 20650
2013-10-31 21281
2013-11-30 21401
2013-12-31 21650
2014-01-31 21482
2014-02-28 21613
2014-03-31 21349
2014-04-30 21584
2014-05-31 22418
2014-06-30 22849
2014-07-31 23548
2014-08-31 24181
2014-09-30 24087
2014-10-31 24860
2014-11-30 25883
2014-12-31 25855
2015-01-31 28727
2015-02-28 31730
2015-03-31 35115
2015-04-30 35700
2015-05-31 36245
2015-06-30 36607
2015-07-31 37406
2015-08-31 38170
2015-09-30 37987
2015-10-31 39160
2015-11-30 38714
2015-12-31 38654
2016-01-31 39809
2016-02-29 40339
2016-03-31 40333
2016-04-30 40446
2016-05-31 41133
2016-06-30 44150
2016-07-31 43646
2016-08-31 42275
2016-09-30 42010
2016-10-31 42597
2016-11-30 41741
2016-12-31 40396
2017-01-31 41487
2017-02-28 42499
2017-03-31 42256
2017-04-30 42819
2017-05-31 43788
2017-06-30 43642
2017-07-31 43476
2017-08-31 43087
2017-09-30 43249
2017-10-31 42093
2017-11-30 41467
2017-12-31 40421
2018-01-31 41549
2018-02-28 40445
2018-03-31 40761
2018-04-30 41807
2018-05-31 42269
2018-06-30 41331
2018-07-31 41199
2018-08-31 39625
2018-09-30 41646
2018-10-31 39932
2018-11-30 41021
2018-12-31 42482
2019-01-31 43593
2019-02-28 45041
2019-03-31 46032
2019-04-30 45651
2019-05-31 46669
2019-06-30 46367
2019-07-31 44765
2019-08-31 45247
2019-09-30 41200
2019-10-31 42073
2019-11-30 42953
2019-12-31 41097
2020-01-31 43277