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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 ()
Message-ID: <12178@decwrl.DEC.COM>
Date: Tue, 1-Dec-87 20:53:04 EST
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Posted: Tue Dec  1 20:53:04 1987
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Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
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Xref: mnetor news.lists:322 news.groups:2101

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)
       |     |     |      |     |      +-- Participation ratio
       |     |     |      |     |      |    +-- Cost ratio: $US/month/reader
       |     |     |      |     |      |    |       +-- Share: % of newsreaders
       |     |     |      |     |      |    |       |   who read this group.
       V     V     V      V     V      V    V       V
  1 11000   962   97%  1478 2654.5   134 150.00    5.1%  comp.sys.amiga
  2  3900   335   86%   365  969.3    93 140.00    1.8%  talk.religion.misc
  3 10000   894   88%  1278 2344.8   127 130.00    4.8%  rec.arts.startrek
  4  1500   131   29%   490 1049.6   326 130.00    0.7%  soc.culture.china
  5 10000   862   86%  1651 2173.9   165 120.00    4.6%  talk.bizarre
  6  6900   592   87%   528 1533.1    76 120.00    3.1%  talk.politics.misc
  7  4600   392   94%   474  929.1   103 120.00    2.1%  soc.culture.jewish
  8 10000   888   96%    57 1831.9     5 110.00    4.7%  comp.binaries.mac
  9  5300   454   88%   525 1023.7    99 110.00    2.4%  rec.arts.comics
 10  6100   517   94%   434  975.9    71  98.00    2.8%  soc.culture.indian
 11  6100   525   88%   557 1026.5    91  97.00    2.8%  rec.aviation
 12  4800   410   87%   481  810.3   100  96.00    2.2%  rec.sport.football
 13  4100   353   95%    18  627.9     4  94.00    1.9%  comp.binaries.amiga
 14  2900   244   94%    58  429.3    20  91.00    1.3%  soc.culture.celtic
 15 20000  1746   87%  1821 3187.5    91  90.00    9.3%  soc.singles
 16  3900   330   96%    21  537.7     5  85.00    1.8%  comp.binaries.atari.st
 17  3600   307   96%   111  473.1    30  82.00    1.6%  comp.sys.atari.8bit
 18 10000   853   87%   570 1437.6    57  81.00    4.5%  soc.motss
 19  2400   205   97%     5  310.8     2  81.00    1.1%  comp.org.fidonet
 20  5000   427   85%   221  679.7    44  75.00    2.3%  talk.religion.newage
 21  8100   690   95%   698  966.1    86  74.00    3.7%  rec.music.misc
 22  4900   416   96%   330  558.1    67  71.00    2.2%  rec.ham-radio
 23  4700   399   96%    18  523.3     3  70.00    2.1%  comp.sources.atari.st
 24  1600   139   35%   195  468.5   122  66.00    0.7%  rec.arts.anime
 25  4100   351   87%   285  461.7    69  64.00    1.9%  rec.sport.baseball
 26  6100   520   88%   394  667.0    64  62.00    2.8%  rec.arts.drwho
 27  3100   261   88%   190  339.7    61  62.00    1.4%  rec.railroad
 28  6300   535   96%   392  612.5    62  61.00    2.8%  comp.sys.apple
 29  6400   543   95%   404  620.8    63  60.00    2.9%  rec.music.gdead
 30  5800   493   95%   237  557.2    40  59.00    2.6%  rec.music.synth
 31 22000  1838   98%  1302 2011.5    59  58.00    9.8%  comp.sys.mac
 32 24000  2089   98%    60 2140.3     2  57.00   11.1%  comp.sources.misc
 33  4600   389   95%   217  418.4    47  56.00    2.1%  rec.games.frp
 34  1500   129   92%     5  141.3     3  56.00    0.7%  soc.politics.arms-d
 35  9300   794   97%   420  808.9    45  55.00    4.2%  comp.sys.atari.st
 36  6900   593   97%   325  602.1    47  55.00    3.2%  comp.os.vms
 37  2000   171   86%    71  198.9    35  55.00    0.9%  talk.politics.theory
 38 11000   978   88%   644 1036.5    58  54.00    5.2%  rec.autos
 39  2900   244   87%   108  279.0    37  54.00    1.3%  talk.abortion
 40 15000  1259   95%   784 1272.6    52  53.00    6.7%  rec.arts.sf-lovers