Monthly Thousands
2001-01-31 28340
2001-02-28 35157
2001-03-31 43302
2001-04-30 32383
2001-05-31 39573
2001-06-30 38471
2001-07-31 39830
2001-08-31 40193
2001-09-30 35589
2001-10-31 41415
2001-11-30 42924
2001-12-31 31320
2002-01-31 35976
2002-02-28 44454
2002-03-31 48021
2002-04-30 52902
2002-05-31 57981
2002-06-30 43717
2002-07-31 53536
2002-08-31 46818
2002-09-30 43815
2002-10-31 53876
2002-11-30 53000
2002-12-31 43749
2003-01-31 42148
2003-02-28 47949
2003-03-31 63524
2003-04-30 58343
2003-05-31 59307
2003-06-30 64719
2003-07-31 62659
2003-08-31 59445
2003-09-30 71240
2003-10-31 67371
2003-11-30 56468
2003-12-31 44752
2004-01-31 39312
2004-02-29 49770
2004-03-31 66569
2004-04-30 53796
2004-05-31 59082
2004-06-30 63415
2004-07-31 60277
2004-08-31 46042
2004-09-30 39007
2004-10-31 40828
2004-11-30 41612
2004-12-31 33146
2005-01-31 28842
2005-02-28 40668
2005-03-31 52520
2005-04-30 48727
2005-05-31 46323
2005-06-30 53046
2005-07-31 51482
2005-08-31 52573
2005-09-30 50811
2005-10-31 48620
2005-11-30 50464
2005-12-31 36613
2006-01-31 35761
2006-02-28 44112
2006-03-31 60791
2006-04-30 46011
2006-05-31 59340
2006-06-30 61862
2006-07-31 56500
2006-08-31 59477
2006-09-30 52670
2006-10-31 51082
2006-11-30 47711
2006-12-31 39816
2007-01-31 44332
2007-02-28 49686
2007-03-31 58679
2007-04-30 43364
2007-05-31 54565
2007-06-30 49566
2007-07-31 48147
2007-08-31 48117
2007-09-30 43659
2007-10-31 45623
2007-11-30 45985
2007-12-31 32860
2008-01-31 37896
2008-02-29 41201
2008-03-31 36174
2008-04-30 39689
2008-05-31 30244
2008-06-30 32197
2008-07-31 31316
2008-08-31 31592
2008-09-30 30909
2008-10-31 32166
2008-11-30 23068
2008-12-31 12004
2009-01-31 8381
2009-02-28 12707
2009-03-31 21050
2009-04-30 19957
2009-05-31 20268
2009-06-30 23128
2009-07-31 19716
2009-08-31 16427
2009-09-30 19817
2009-10-31 18947
2009-11-30 16644
2009-12-31 13024