Collatoral Spammage 2002, a “How much spam do you get?” survey, results here. (found via aaronsw’s blog).
Currently there’s a neat curve around 21-50 per week, and then a big jump at the 201-400 range, where I find myself (spamtraps not included — they get more like 30k spams a week ;)
I reckon this jump in the graph is a result of the poll URL being passed around people who are interested in the subject — who, if my experience is anything to go by, generally find themselves interested because they’re snowed under by the stuff.
Anyway, some further reading brings me to two TidBITS articles on the
subject: Content
Filtering Exposed and Email
Filtering: Killing the Killer App.
For what it’s worth, I agree to an extent with Adam and Geoff on the subject: the mail delivery infrastructure should not be clogged up with content filtering, with two caveats. (read on for more)