Total number of lists with archives
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8000 
_
6000 
_
4000 
_
2000 
_
_
0
0
0
3079
3129
3187
3258
3295
3354
3438
3482
3575
3616
3679
3742
3812
3878
3935
3970
3996
3782
3824
3809
3853
3852
3915
3974
4038
4040
4054
4097
4151
4178
4219
4287
4352
4373
4438
4506
4579
4611
4477
4537
4599
4626
4655
4713
4781
4806
4745
4594
4674
4734
4804
4821
4854
4890
4930
4988
5069
5072
5136
5183
5239
5280
5358
5415
5452
5344
5326
5380
5441
5497
5538
5601
5655
5652
5694
5727
5775
5834
5878
5913
5965
6023
6132
6195
6254
6300
6339
6370
6410
6436
6498
6578
6625
6613
6657
6709
6700
6676
6713
6747
6779
6791
6809
6857
6914
6941
6940
6991
7046
7046
7072
7088
7144
7185
7202
7250
7306
7352
7376
7430
7456
7487
7525
7577
7476
6974
6789
6798
6845
6903
6949
7029
7084
7135
7191
 

2000
Dec

2001
Jan

2001
Feb

2001
Mar

2001
Apr

2001
May

2001
Jun

2001
Jul

2001
Aug

2001
Sep

2001
Oct

2001
Nov

2001
Dec

2002
Jan

2002
Feb

2002
Mar

2002
Apr

2002
May

2002
Jun

2002
Jul

2002
Aug

2002
Sep

2002
Oct

2002
Nov

2002
Dec

2003
Jan

2003
Feb

2003
Mar

2003
Apr

2003
May

2003
Jun

2003
Jul

2003
Aug

2003
Sep

2003
Oct

2003
Nov

2003
Dec

2004
Jan

2004
Feb

2004
Mar

2004
Apr

2004
May

2004
Jun

2004
Jul

2004
Aug

2004
Sep

2004
Oct

2004
Nov

2004
Dec

2005
Jan

2005
Feb

2005
Mar

2005
Apr

2005
May

2005
Jun

2005
Jul

2005
Aug

2005
Sep

2005
Oct

2005
Nov

2005
Dec

2006
Jan

2006
Feb

2006
Mar

2006
Apr

2006
May

2006
Jun

2006
Jul

2006
Aug

2006
Sep

2006
Oct

2006
Nov

2006
Dec

2007
Jan

2007
Feb

2007
Mar

2007
Apr

2007
May

2007
Jun

2007
Jul

2007
Aug

2007
Sep

2007
Oct

2007
Nov

2007
Dec

2008
Jan

2008
Feb

2008
Mar

2008
Apr

2008
May

2008
Jun

2008
Jul

2008
Aug

2008
Sep

2008
Oct

2008
Nov

2008
Dec

2009
Jan

2009
Feb

2009
Mar

2009
Apr

2009
May

2009
Jun

2009
Jul

2009
Aug

2009
Sep

2009
Oct

2009
Nov

2009
Dec

2010
Jan

2010
Feb

2010
Mar

2010
Apr

2010
May

2010
Jun

2010
Jul

2010
Aug

2010
Sep

2010
Oct

2010
Nov

2010
Dec

2011
Jan

2011
Feb

2011
Mar

2011
Apr

2011
May

2011
Jun

2011
Jul

2011
Aug

2011
Sep

2011
Oct

2011
Nov

2011
Dec

2012
Jan

2012
Feb

2012
Mar

2012
Apr

2012
May
 
Note: Figures prior to September 2001 from old reports and prior to March 2001 not available