What is the ratio of senders to messages in Alioth mailing lists? (07-2011)
This graph shows the ratio of senders to email messages in Alioth project mailing lists.
The first number shown when hovering over a dot is the number of senders. The second number is the number of messages for each sender count.
SELECT mailing_list, COUNT(DISTINCT sender), COUNT(DISTINCT message_id)
GROUP BY mailing_list;