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From: reid@decwrl.dec.com (Brian Reid)
Newsgroups: news.lists,news.groups
Subject: TOP 40 NEWSGROUPS IN ORDER BY PER-READER COST (MAY 88)
Message-ID: <13151@decwrl.DEC.COM>
Date: 1 Jun 88 20:13:29 GMT
Sender: reid@decwrl.DEC.COM
Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
Lines: 54
Approved: reid@decwrl.dec.com

TOP 40 NEWSGROUPS IN ORDER BY PER-READER COST
A companion posting explains the statistics and the algorithms that produced
them.

       +-- Estimated total number of people who read the group, worldwide.
       |     +-- Actual number of readers in sampled population
       |     |     +-- Propagation: how many sites receive this group at all
       |     |     |      +-- Recent traffic (messages per month)
       |     |     |      |     +-- Recent traffic (kilobytes per month)
       |     |     |      |     |      +-- Crossposting percentage
       |     |     |      |     |      |    +-- Cost ratio: $US/month/reader
       |     |     |      |     |      |    |       +-- Share: % of newsreaders
       |     |     |      |     |      |    |       |   who read this group.
       V     V     V      V     V      V    V       V
  1  2300   215   86%   617 1883.8     5%  1.30    1.0%  talk.origins
  2  4900   449   92%   160 2780.2     0%  1.00    2.2%  comp.mail.maps
  3  4400   409   89%  1046 2359.7    12%  0.92    2.0%  soc.culture.china
  4  2600   235   77%   623 1340.5    12%  0.76    1.1%  talk.politics.mideast
  5  6500   601   86%   880 2303.8    36%  0.58    2.9%  talk.politics.misc
  6  3600   327   86%   432 1248.9     7%  0.57    1.6%  talk.religion.misc
  7  3600   328   94%   587 1021.3     3%  0.51    1.6%  rec.music.gdead
  8 17000  1538   96%   110 4203.4     3%  0.45    7.4%  comp.binaries.ibm.pc
  9  7400   681   98%   765 1687.4     2%  0.43    3.3%  comp.os.vms
 10  5000   460   90%   672 1202.6     3%  0.42    2.2%  rec.aviation
 11  4400   405   89%   808 1094.2     1%  0.42    1.9%  rec.sport.baseball
 12  4800   438   95%    28  992.9     7%  0.38    2.1%  comp.binaries.amiga
 13  2900   264   70%    32  818.2     0%  0.38    1.3%  comp.binaries.apple2
 14  5800   536   96%    34 1133.1     0%  0.36    2.6%  comp.binaries.atari.st
 15  9800   901   95%  1053 1767.4     8%  0.33    4.3%  rec.music.misc
 16  3800   350   89%   447  727.7     1%  0.33    1.7%  rec.sport.basketball
 17 14000  1306   97%  1366 2454.8     6%  0.32    6.3%  comp.sys.amiga
 18   260    24   53%     1   82.7     0%  0.32    0.1%  rec.mag.fsfnet
 19  5700   521   94%   354  982.1     4%  0.31    2.5%  rec.games.frp
 20  1900   175   86%   107  361.5     5%  0.31    0.8%  talk.politics.theory
 21 13000  1173   90%  1246 2246.3     5%  0.30    5.6%  rec.arts.startrek
 22 12000  1111   82%  1791 2281.4     6%  0.30    5.3%  talk.bizarre
 23 12000  1072   95%  1043 1909.9     7%  0.29    5.1%  rec.arts.sf-lovers
 24 12000  1061   97%    67 1742.7     0%  0.27    5.1%  comp.binaries.mac
 25  6800   621   94%   517 1013.4     4%  0.27    3.0%  soc.culture.indian
 26  5800   536   90%   268  884.3     6%  0.26    2.6%  rec.arts.comics
 27  5400   501   82%   428  889.8     3%  0.26    2.4%  comp.sys.amiga.tech
 28  7900   724   98%   210  979.2     3%  0.23    3.5%  comp.os.minix
 29 18000  1654   98%  1270 2125.8     9%  0.22    7.9%  comp.sys.mac
 30  4500   411   91%   182  571.0     5%  0.22    2.0%  soc.culture.japan
 31  2800   256   89%   199  344.7     1%  0.21    1.2%  rec.sport.hockey
 32 12000  1061   90%   771 1390.2    33%  0.20    5.1%  rec.autos
 33 16000  1436   89%  1060 1815.7     8%  0.19    6.9%  soc.singles
 34 12000  1078   90%   606 1316.2    20%  0.19    5.2%  soc.women
 35  6600   607   96%   416  679.7     2%  0.19    2.9%  comp.sys.apple
 36  6500   599   95%   261  671.7     9%  0.19    2.9%  rec.ham-radio
 37  5800   531   97%    18  591.6     0%  0.19    2.5%  comp.sources.atari.st
 38  5600   515   89%   367  624.6     1%  0.19    2.5%  rec.bicycles
 39  4400   403   94%   190  473.7    51%  0.19    1.9%  soc.culture.jewish
 40  3300   303   90%   240  368.7     4%  0.19    1.5%  rec.motorcycles