As I did in 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 and 2019 I propose some statistics of the MUSCLE mailing list usage.
Evolution
| Year | 
Total number of messages  | 
Progression | 
| 2009 | 
603 | 
  | 
| 2010 | 
718 | 
+19 % | 
| 2011 | 
999 | 
+39 % | 
| 2012 | 
207 | 
-79 % | 
| 2013 | 
198 | 
-4 % | 
| 2014 | 
194 | 
-2 % | 
| 2014 | 
194 | 
-2 % | 
| 2015 | 
120 | 
-38 % | 
| 2016 | 
125 | 
+4 % | 
| 2017 | 
128 | 
+2 % | 
| 2018 | 
66 | 
-51 % | 
| 2019 | 
29 | 
-56 % | 
| 2020 | 
76 | 
+162 % | 
Comments
A high increase in the number of messages. Maybe the mailing list is not dead after all.
Statistics from 3.1.2020 to 24.11.2020
for pcsclite-muscle@lists.infradead.org
People who have written most messages:
|   | 
 Author  | 
 Msg  | 
 Percent 
  | 
| 1 | 
ludovic.rousseau@gmail.com | 
36 | 
 47.37 %
  | 
| 2 | 
Marc.Kewitz.ext@rohde-schwarz.com | 
4 | 
  5.26 %
  | 
| 3 | 
axel.braun@gmx.de | 
4 | 
  5.26 %
  | 
| 4 | 
trenta.sis@gmail.com | 
3 | 
  3.95 %
  | 
| 5 | 
emaxx@google.com | 
3 | 
  3.95 %
  | 
| 6 | 
suffsuccotash@gmail.com | 
3 | 
  3.95 %
  | 
| 7 | 
stephan.guilloux@crisalid.com | 
3 | 
  3.95 %
  | 
| 8 | 
zeroconf@zeroconf.ee | 
3 | 
  3.95 %
  | 
| 9 | 
thomas@schlenkhoff.me | 
2 | 
  2.63 %
  | 
| 10 | 
izh1979@gmail.com | 
2 | 
  2.63 %
  | 
| 11 | 
sebastien@lorquet.fr | 
2 | 
  2.63 %
  | 
| 12 | 
gregor.waltz@raritan.com | 
1 | 
  1.32 %
  | 
| 13 | 
gsvelto@mozilla.com | 
1 | 
  1.32 %
  | 
| 14 | 
Gabriele Svelto | 
1 | 
  1.32 %
  | 
| 15 | 
tristan.degroof@multiversum.broedersvanliefde.be | 
1 | 
  1.32 %
  | 
| 16 | 
t-pcsc@girst.at | 
1 | 
  1.32 %
  | 
| 17 | 
mstjohns@comcast.net | 
1 | 
  1.32 %
  | 
| 18 | 
mauro@faresoftware.it | 
1 | 
  1.32 %
  | 
| 19 | 
Axel.braun@gmx.de | 
1 | 
  1.32 %
  | 
| 20 | 
godfreyhkchung@gmail.com | 
1 | 
  1.32 %
  | 
| 21 | 
jonathan.verner@nexusgroup.com | 
1 | 
  1.32 %
  | 
|   | 
other | 
1 | 
 1.32 %
 | 
Best authors, by total size of their messages (w/o quoting):
|   | 
 Author  | 
 KBytes 
  | 
| 1 | 
ludovic.rousseau@gmail.com | 
1032.8
  | 
| 2 | 
stephan.guilloux@crisalid.com | 
  38.4
  | 
| 3 | 
zeroconf@zeroconf.ee | 
  31.9
  | 
| 4 | 
emaxx@google.com | 
  31.7
  | 
| 5 | 
Marc.Kewitz.ext@rohde-schwarz.com | 
  30.6
  | 
| 6 | 
sebastien@lorquet.fr | 
  29.5
  | 
| 7 | 
izh1979@gmail.com | 
  23.3
  | 
| 8 | 
suffsuccotash@gmail.com | 
  17.2
  | 
| 9 | 
gsvelto@mozilla.com | 
  13.6
  | 
| 10 | 
trenta.sis@gmail.com | 
  12.4
  | 
| 11 | 
mstjohns@comcast.net | 
  11.3
  | 
| 12 | 
axel.braun@gmx.de | 
  10.8
  | 
| 13 | 
godfreyhkchung@gmail.com | 
  10.0
  | 
| 14 | 
t-pcsc@girst.at | 
   9.7
  | 
| 15 | 
Gabriele Svelto | 
   8.2
  | 
| 16 | 
Axel.braun@gmx.de | 
   4.1
  | 
| 17 | 
thomas@schlenkhoff.me | 
   2.9
  | 
| 18 | 
tristan.degroof@multiversum.broedersvanliefde.be | 
   2.7
  | 
| 19 | 
jonathan.verner@nexusgroup.com | 
   2.0
  | 
| 20 | 
gregor.waltz@raritan.com | 
   1.4
  | 
| 21 | 
mauro@faresoftware.it | 
   1.1
 | 
Best authors, by average size of their message (w/o quoting):
|   | 
 Author  | 
 bytes 
  | 
| 1 | 
ludovic.rousseau@gmail.com | 
29376
  | 
| 2 | 
sebastien@lorquet.fr | 
15120
  | 
| 3 | 
gsvelto@mozilla.com | 
13970
  | 
| 4 | 
stephan.guilloux@crisalid.com | 
13096
  | 
| 5 | 
izh1979@gmail.com | 
11923
  | 
| 6 | 
mstjohns@comcast.net | 
11535
  | 
| 7 | 
zeroconf@zeroconf.ee | 
10893
  | 
| 8 | 
emaxx@google.com | 
10814
  | 
| 9 | 
godfreyhkchung@gmail.com | 
10216
  | 
| 10 | 
t-pcsc@girst.at | 
9922
  | 
| 11 | 
Gabriele Svelto | 
8439
  | 
| 12 | 
Marc.Kewitz.ext@rohde-schwarz.com | 
7844
  | 
| 13 | 
suffsuccotash@gmail.com | 
5869
  | 
| 14 | 
trenta.sis@gmail.com | 
4218
  | 
| 15 | 
Axel.braun@gmx.de | 
4210
  | 
| 16 | 
tristan.degroof@multiversum.broedersvanliefde.be | 
2798
  | 
| 17 | 
axel.braun@gmx.de | 
2753
  | 
| 18 | 
jonathan.verner@nexusgroup.com | 
2032
  | 
| 19 | 
thomas@schlenkhoff.me | 
1490
  | 
| 20 | 
gregor.waltz@raritan.com | 
1462
  | 
| 21 | 
mauro@faresoftware.it | 
1143
 | 
Table showing the most successful subjects:
|   | 
 Subject  | 
 Msg  | 
 Percent 
  | 
| 1 | 
[Pcsclite-muscle] Workaround for missing suspend/resume | 
9 | 
 11.84 %
  | 
| 2 | 
[Pcsclite-muscle] Different behaviour with Select MF on Omnikey | 
7 | 
  9.21 %
  | 
| 3 | 
[Pcsclite-muscle] Alcor Micro AU9520 not recognized by libccid 1.4.31 | 
7 | 
  9.21 %
  | 
| 4 | 
[Pcsclite-muscle] Fwd: dead lock caused by SCardReleaseContext | 
4 | 
  5.26 %
  | 
| 5 | 
[Pcsclite-muscle] memory consumption | 
3 | 
  3.95 %
  | 
| 6 | 
[Pcsclite-muscle] pcsc-lite release | 
3 | 
  3.95 %
  | 
| 7 | 
[Pcsclite-muscle] Exclusive access mode to the smart card reader | 
3 | 
  3.95 %
  | 
| 8 | 
[Pcsclite-muscle] Lenovo laptops, GNU/Linux and smart card readers? | 
3 | 
  3.95 %
  | 
| 9 | 
[Pcsclite-muscle] Chrome gets stuck and firefox won't open | 
3 | 
  3.95 %
  | 
| 10 | 
[Pcsclite-muscle] Confused about extended APDU support | 
2 | 
  2.63 %
  | 
| 11 | 
Potential security issues in CCID | 
2 | 
  2.63 %
  | 
| 12 | 
[Pcsclite-muscle] SCardConnect behavior with invalid contexts | 
2 | 
  2.63 %
  | 
| 13 | 
[Pcsclite-muscle] Missing checks of ATRDecodeAtr returns | 
2 | 
  2.63 %
  | 
| 14 | 
[Pcsclite-muscle] Race condition during readerstate update | 
2 | 
  2.63 %
  | 
| 15 | 
[Newsletter] Re: [Pcsclite-muscle] Race condition during | 
2 | 
  2.63 %
  | 
| 16 | 
[Pcsclite-muscle] Alcor Micro AU9520 not recognized by libccid | 
2 | 
  2.63 %
  | 
| 17 | 
New version of pcsc-lite: 1.8.26 | 
1 | 
  1.32 %
  | 
| 18 | 
[Pcsclite-muscle] Linux Kernel 5.5 / CCID / PCSCLITE change | 
1 | 
  1.32 %
  | 
| 19 | 
[Pcsclite-muscle] pcsclite-muscle Digest, Vol 24, Issue 2 | 
1 | 
  1.32 %
  | 
| 20 | 
[Pcsclite-muscle] [Question] How to read SCARD_READER_CAPABILITIES | 
1 | 
  1.32 %
  | 
| 21 | 
[Pcsclite-muscle] multi threading from a single pcsc handle / | 
1 | 
  1.32 %
  | 
| 22 | 
[Pcsclite-muscle] Interfacing 32 bit driver with 64 pcscd | 
1 | 
  1.32 %
  | 
| 23 | 
Unicode characters in a reader name | 
1 | 
  1.32 %
  | 
| 24 | 
New version of libccid: 1.4.33 | 
1 | 
  1.32 %
  | 
| 25 | 
[Pcsclite-muscle] How to dectect card status? | 
1 | 
  1.32 %
  | 
| 26 | 
[Pcsclite-muscle] Potential hang in SCardTransmit | 
1 | 
  1.32 %
  | 
| 27 | 
[Pcsclite-muscle] Instances of Undefined behavior in CCID | 
1 | 
  1.32 %
  | 
| 28 | 
Incomplete archive between May 2018 and June 2020 | 
1 | 
  1.32 %
  | 
| 29 | 
Lenovo laptops, GNU/Linux and smart card readers? | 
1 | 
  1.32 %
  | 
| 30 | 
[Pcsclite-muscle] Race condition during readerstate | 
1 | 
  1.32 %
  | 
|   | 
other | 
6 | 
 7.89 %
 | 
Most used email clients:
|   | 
 Mailer  | 
 Msg  | 
 Percent 
  | 
| 1 | 
(unknown) | 
66 | 
 86.84 %
  | 
| 2 | 
Mozilla/5.x | 
5 | 
  6.58 %
  | 
| 3 | 
Evolution 3.36.5 (3.36.5-1.fc32)  | 
3 | 
  3.95 %
  | 
| 4 | 
K-9 Mail for Android | 
1 | 
  1.32 %
  | 
|   | 
other | 
1 | 
 1.32 %
 | 
Table of maximal quoting:
|   | 
 Author  | 
 Percent 
  | 
| 1 | 
mauro@faresoftware.it | 
 19.95 %
  | 
| 2 | 
jonathan.verner@nexusgroup.com | 
 19.71 %
  | 
| 3 | 
axel.braun@gmx.de | 
 17.27 %
  | 
| 4 | 
Axel.braun@gmx.de | 
 11.83 %
  | 
| 5 | 
t-pcsc@girst.at | 
 11.03 %
  | 
| 6 | 
tristan.degroof@multiversum.broedersvanliefde.be | 
 10.60 %
  | 
| 7 | 
suffsuccotash@gmail.com | 
  9.36 %
  | 
| 8 | 
thomas@schlenkhoff.me | 
  7.59 %
  | 
| 9 | 
gregor.waltz@raritan.com | 
  6.58 %
  | 
| 10 | 
stephan.guilloux@crisalid.com | 
  4.97 %
  | 
| 11 | 
ludovic.rousseau@gmail.com | 
  3.57 %
  | 
| 12 | 
trenta.sis@gmail.com | 
  3.04 %
  | 
| 13 | 
Marc.Kewitz.ext@rohde-schwarz.com | 
  2.29 %
  | 
| 14 | 
zeroconf@zeroconf.ee | 
  1.75 %
  | 
| 15 | 
godfreyhkchung@gmail.com | 
  1.51 %
  | 
| 16 | 
gsvelto@mozilla.com | 
  0.43 %
  | 
| 17 | 
emaxx@google.com | 
  0.00 %
  | 
| 18 | 
izh1979@gmail.com | 
  0.00 %
  | 
| 19 | 
sebastien@lorquet.fr | 
  0.00 %
  | 
| 20 | 
Gabriele Svelto | 
  0.00 %
  | 
| 21 | 
mstjohns@comcast.net | 
  0.00 %
  | 
|   | 
average | 
  3.59 %
 | 
Maximal quoting:
|  Author     :  | 
 ludovic.rousseau@gmail.com 
  | 
|  Subject    :  | 
 [Pcsclite-muscle] Alcor Micro AU9520 not recognized by libccid 1.4.31 
  | 
|  Date       :  | 
 Thu, 5 Nov 2020 14:43:12 +0100 
  | 
|  Quote ratio:  | 
 62.97% / 18890 bytes
 | 
Longest message:
|  Author     :  | 
 ludovic.rousseau@gmail.com
   | 
|  Subject    :  | 
 [Pcsclite-muscle] Alcor Micro AU9520 not recognized by libccid 1.4.31
   | 
|  Date       :  | 
 Wed, 4 Nov 2020 22:37:47 +0100
   | 
|  Size       :  | 
 729365 bytes
 | 
Most successful subject:
|  Subject    :  | 
 [Pcsclite-muscle] Workaround for missing suspend/resume
  | 
|  No. of msgs:  | 
 9
  | 
|  Total size :  | 
 90764 bytes
 | 
Final summary:
|  Total number of messages:              | 
 76
   | 
|  Total number of different authors:     | 
 21
   | 
|  Total number of different subjects:    | 
 35
   | 
|  Total size of messages (w/o headers):  | 
 1407974 bytes
   | 
|  Average size of a message:             | 
 18525 bytes
 |