Hi! On Sun, Jun 3, 2012 at 3:07 PM, steve harley <p...@paper-ape.com> wrote: > on 2012-06-01 15:54 Dmitry Gromov wrote > >> Not sure where is my own archive from 2000 forward, but since I >> switched to Gmail at the end of 2004, I quickly grabbed conversation >> counts per year: >> >> 2005 7,831 >> 2006 7,381 >> 2007 6,247 >> 2008 5,009 >> 2009 5,249 >> 2010 5,295 >> 2011 4,841 > > > here is the individual message count obtained by summing monthly totals on > pdml.net, or alternately by counts of mail-archive.com searches within 6 > months of 2 July of given years (this search captures a year give or take a > day): > > year pdml mail-archive > 2006 68271 > 2007 60383 60201 > 2008 45822 44367 > 2009 52887 54505 > 2010 52122 53697 > 2011 41848 46731 >
This is so great, thank you for the numbers :) > > i double-checked the 2011 figures and cannot explain the large discrepancy; > the average length of threads (consistently just under 10 based on > conversation count) could be considered a measure of mailing list health — > 10 is good Yeah, it seems that average number of messages per thread is an ultimate indicator! > > just for fun, here is monthly message volume from pdml.net charted to show > seasonal and yearly variation (2006 and 2012 are partial); > > <https://www.dropbox.com/s/z8gs1dvv66wuyg2/chart.png> > Cool chart, was looking to do something like this myself. Major camera announcements is very easily visible here. Thanks a lot for data and chart, was planning to do something very similar myself... -- //DG LOC(NJ) //* -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
