For each week beginning on a given date, the figures show the number of sites that reported they are using the mailsystem 6.x-2.33 release.

These statistics are incomplete; only Drupal websites using the Update Status module are included in the data. This module has been included with the download of Drupal since version 6.x so the data does not include older sites. Read more information about how these statistics are calculated.

Week startingCount
September 10, 20231
April 23, 20232
April 2, 20231
March 26, 20231
March 19, 20233
March 12, 20231
March 5, 20231
February 26, 20231
February 19, 20231
February 12, 20231
February 5, 20231
January 29, 20231
January 22, 20231
January 15, 20231
January 8, 20231
January 1, 20231
December 25, 20221
December 18, 20222
December 11, 20222
December 4, 20222
November 27, 20222
November 20, 20222
November 13, 20222
November 6, 20222
October 30, 20222
October 23, 20222
October 16, 20222
October 9, 20222
October 2, 20222
September 25, 20222
September 18, 20222
September 11, 20222
September 4, 20222
August 28, 20222
August 21, 20222
August 14, 20222
August 7, 20222
July 31, 20222
July 24, 20224
July 17, 20225
July 10, 20225
July 3, 20227
June 26, 20227
June 19, 20225
June 12, 20228
June 5, 20225
May 29, 20225
May 22, 20225
May 15, 20224
May 8, 20226
May 1, 20226
April 24, 20227
April 17, 20225
April 10, 20224
April 3, 20227
March 27, 20226
March 20, 20226
March 13, 20227
March 6, 20225
February 27, 20225
February 20, 20225
February 13, 20225
February 6, 20226
January 30, 20226
January 23, 20226
January 16, 20226
January 9, 20225
January 2, 20226
December 26, 20215
December 19, 20216
December 12, 20216
December 5, 20217
November 28, 20215
November 21, 20215
November 14, 20217
November 7, 20216
October 31, 20214
October 24, 20216
October 17, 20215
October 10, 20217
October 3, 20217
September 26, 20217
September 19, 20216
September 12, 20216
September 5, 20215
August 29, 20215
August 22, 20215
August 15, 20214
August 8, 20216
August 1, 20215
July 25, 20214
July 18, 20214
July 11, 20215
July 4, 20215
June 27, 20217
June 20, 20217
June 13, 20217
June 6, 20217
May 30, 20216
May 23, 20217
May 16, 20215
May 9, 20216
May 2, 20216
April 25, 20215
April 18, 20216
April 11, 20215
April 4, 20217
March 28, 20216
March 21, 20216
March 14, 20217
March 7, 20215
February 28, 20217
February 21, 20217
February 14, 20216
February 7, 20217
January 31, 20216
January 24, 20216
January 17, 20217
January 10, 20216
January 3, 20215
December 27, 20206
December 20, 20205
December 13, 20204
December 6, 20206
November 29, 20206
November 22, 20206
November 15, 20206
November 8, 20207
November 1, 20206
October 25, 20208
October 18, 20205
October 11, 20207
October 4, 20207
September 27, 20206
September 20, 20208
September 13, 20205
September 6, 20205
August 30, 20206
August 23, 20207
August 16, 20205
August 9, 20205
August 2, 20206
July 26, 20206
July 19, 20205
July 12, 20205
July 5, 20206
June 28, 20206
June 21, 20207
June 14, 20205
June 7, 20203
May 31, 20203
May 24, 20205
May 17, 20205
May 10, 20205
May 3, 20205
April 26, 20206
April 19, 20206
April 12, 20205
April 5, 20205
March 29, 20206
March 22, 20205
March 15, 20206
March 8, 20206
March 1, 20206
February 23, 20204
February 16, 20204
February 9, 20205
February 2, 20207
January 26, 20206
January 19, 20205
January 12, 20206
January 5, 20206
December 29, 20196
December 22, 20197
December 15, 20197
December 8, 20196
December 1, 20196
November 24, 20196
November 17, 20197
November 10, 20196
November 3, 20197
October 27, 20198
October 20, 20198
October 13, 20195
October 6, 20195
September 29, 20197
September 22, 20197
September 15, 20197
September 8, 20197
September 1, 20197
August 25, 20198
August 18, 20197
August 11, 20199
August 4, 20197
July 28, 20198
July 21, 20197
July 14, 20198
July 7, 20198
June 30, 20198
June 23, 20198
June 16, 20198
June 9, 20198
June 2, 20198
May 26, 20199
May 19, 201910
May 12, 20199
May 5, 20198
April 28, 20199
April 21, 20197
April 14, 20199
April 7, 20199
March 31, 20199
March 24, 20198
March 17, 20198
March 10, 20199
March 3, 201910
February 24, 20199
February 17, 20199
February 10, 20198
February 3, 20198
January 27, 20198
January 20, 20198
January 13, 20198
January 6, 201910
December 30, 20188
December 23, 20189
December 16, 201810
December 9, 20188
December 2, 201810
November 25, 20189
November 18, 201810
November 11, 20188
November 4, 201810
October 28, 20189
October 21, 201811
October 14, 201810
October 7, 20189
September 30, 20189
September 23, 20189
September 16, 201810
September 9, 201810
September 2, 20189
August 26, 20189
August 19, 20188
August 12, 20188
August 5, 201810
July 29, 20189
July 22, 20189
July 15, 20188
July 8, 201810
July 1, 20189
June 24, 201814
June 17, 201811
June 10, 201811
June 3, 201814
May 27, 201812
May 20, 201813
May 13, 201811
May 6, 201812
April 29, 201817
April 22, 201813
April 15, 201812
April 8, 201813
April 1, 201811
March 25, 201813
March 18, 201817
March 11, 201814
March 4, 201814
February 25, 201815
February 18, 201815
February 11, 201815
February 4, 201815
January 28, 201814
January 21, 201813
January 14, 201815
January 7, 201815
December 31, 201714
December 24, 201716
December 17, 201714
December 10, 201714
December 3, 201714
November 26, 201720
November 19, 201716
November 12, 201718
November 5, 201713
October 29, 201713
October 22, 201713
October 15, 201714
October 8, 201715
October 1, 201715
September 24, 201717
September 17, 201715
September 10, 201716
September 3, 201715
August 27, 201716
August 20, 201715
August 13, 201715
August 6, 201713
July 30, 201713
July 23, 201714
July 16, 201714
July 9, 201715
July 2, 201716
June 25, 201715
June 18, 201717
June 11, 201718
June 4, 201719
May 28, 201717
May 21, 201718
May 14, 201718
May 7, 201718
April 30, 201719
April 23, 201719
April 16, 201718
April 9, 201716
April 2, 201720
March 26, 201720
March 19, 201718
March 12, 201720
March 5, 201719
February 26, 201719
February 19, 201723
February 12, 201720
February 5, 201722
January 29, 201721
January 22, 201720
January 15, 201722
January 8, 201722
January 1, 201721
December 25, 201621
December 18, 201621
December 11, 201618
December 4, 201622
November 27, 201620
November 20, 201620
November 13, 201623
November 6, 201621
October 30, 201621
October 23, 201621
October 16, 201621
October 9, 201619
October 2, 201621
September 25, 201620
September 18, 201622
September 11, 201620
September 4, 201618
August 28, 201622
August 21, 201623
August 14, 201622
August 7, 201619
July 31, 201624
July 24, 201624
July 17, 201624
July 10, 201626
July 3, 201624
June 26, 201623
June 19, 201621
June 12, 201623
June 5, 201622
May 29, 201621
May 22, 201622
May 15, 201623
May 8, 201621
May 1, 201621
April 24, 201623
April 17, 201622
April 10, 201625
April 3, 201624
March 27, 201626
March 20, 201624
March 13, 201623
March 6, 201628
February 28, 201626
February 21, 201626
February 14, 201625
February 7, 201624
January 31, 201622
January 24, 201625
January 17, 201626
January 10, 201625
January 3, 201622
December 27, 201523
December 20, 201523
December 13, 201524
December 6, 201525
November 29, 201529
November 22, 201525
November 15, 201523
November 8, 201523
November 1, 201524
October 25, 201525
October 18, 201528
October 11, 201525
October 4, 201529
September 27, 201525
September 20, 201525
September 13, 201525
September 6, 201527
August 30, 201525
August 23, 201527
August 16, 201529
August 9, 201527
August 2, 201529
July 26, 201526
July 19, 201527
July 12, 201527
July 5, 201531
June 28, 201531
June 21, 201531
June 14, 201536
June 7, 201529
May 31, 201532
May 24, 201532
May 17, 201530
May 10, 201529
May 3, 201531
April 26, 201532
April 19, 201531
April 12, 201529
April 5, 201530
March 29, 201529
March 22, 201530
March 15, 201532
March 8, 201528
March 1, 201528
February 22, 201530
February 15, 201529
February 8, 201527
February 1, 201527
January 25, 201527
January 18, 201528
January 11, 201529
January 4, 201528
December 28, 201427
December 21, 201429
December 14, 201427
December 7, 201431
November 30, 201431
November 23, 201428
November 16, 201428
November 9, 201430
November 2, 201431
October 26, 201433
October 19, 201437
October 12, 201437
October 5, 201433
September 28, 201429
September 21, 201434
September 14, 201435
September 7, 201435
August 31, 201432
August 24, 201434
August 17, 201434
August 10, 201434
August 3, 201436
July 27, 201437
July 20, 201440
July 13, 201438
July 6, 201440
June 29, 201438
June 22, 201437
June 15, 201438
June 8, 201436
June 1, 201433
May 25, 201439
May 18, 201440
May 11, 201440
May 4, 201436
April 27, 201437
April 20, 201436
April 13, 201438
April 6, 201435
March 30, 201443
March 23, 201442
March 16, 201446
March 9, 201440
March 2, 201439
February 23, 201437
February 16, 201437
February 9, 201437
February 2, 201442
January 26, 201445
January 19, 201443
January 12, 201439
January 5, 201440
December 29, 201342
December 22, 201345
December 15, 201347
December 8, 201345
December 1, 201346
November 24, 201352
November 17, 201361
November 10, 201356
November 3, 201357
October 27, 201353
October 20, 201360
October 13, 201356
October 6, 201363
September 29, 201366
September 22, 201364
September 15, 201364
September 8, 201368
September 1, 201362
August 25, 201369
August 18, 201368
August 11, 201369
August 4, 201366
July 28, 201368
July 21, 201365
July 14, 201369
July 7, 201370
June 30, 201372
June 23, 201374
June 16, 201371
June 9, 201373
June 2, 201384
May 26, 201377
May 19, 201375
May 12, 201382
May 5, 201382
April 28, 201387
April 21, 201390
April 14, 201377
April 7, 201376
March 31, 201382
March 24, 201377
March 17, 201386
March 10, 201387
March 3, 201387
February 24, 201396
February 17, 201397
February 10, 201394
February 3, 201395
January 27, 201396
January 20, 201395
January 13, 201398
January 6, 2013102
December 30, 2012105
December 23, 2012107
December 16, 2012113
December 9, 2012125
December 2, 2012144
November 25, 2012144
November 18, 2012145
November 11, 2012155
November 4, 2012149
October 28, 2012154
October 21, 2012153