This was a comparison I made in Sept. of 1999 of the number of people and the frequency of their posting on three e-mail lists.

Click on title for graphs
 

 
  Evolution
 ASA 
 Paleonet
Number of days analyzed
26
 18
 31
Total posts 
242 
318
120
Posts/day 
       9.31
        11.36 
           3.87 
posters 
 33
 59
 58
Number of posts  Number of people posting  in each range
50-60
 
 1
 
30-40
 3
 1
 
20-30
 1
 1
 
10-20
 3
 2
 3
 0-10
26
59
55
Greater Breakdown of numbers.

Evolution list
30-40 = 3  (37,36,31)
20-30 = 1  (26)
10-20 = 3  (16,12,11)
 1-10 = 25 (9,8,7,6,4,4,4,4,4,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1)

ASA list
50-60 = 1   (67)
40-50 = 1   (46)
30-40 = 1   (30)
20-30 = 1   (24)
10-20 = 2   (15,10)
 5-10  = 5   (9,8,6,5,5)
      4 =  4
      3 =  7
      2 = 18
      1 = 20

Paleonet List
10-20 = 3 (12,12,12)
       6 = 1
       4 = 3
       3 = 3
       2 = 8
       1 = 40
 

Information and page provided by James Mahaffy September 1999
modified July 27, 2000