From: jzhang@sdcc3.UCSD.EDU
Subject: Usenet statistics for August 1992
Organization: Indiana University
Date: Sun, 13 Sep 1992 02:28:34 GMT

The following Usenet statistics are from news.lists. Note: all messages 
to CHINA-NT mailing list are automatically posted to the Usenet newsgroup 
talk.politics.china. 

Zhenqin Li
----------

>From: reid@decwrl.dec.com (Brian Reid)
>Newsgroups: news.groups,news.lists,news.admin
>Subject: USENET READERSHIP SUMMARY REPORT FOR AUG 92
>Date: 3 Sep 92 05:09:32 GMT
>
>USENET READERSHIP SUMMARY REPORT for Aug 92
>
>This is the first article in a monthly posting series from the Network
>Measurement Project at the DEC Western Research Laboratory in Palo Alto,
>California. 
>
>This survey is based on a sample of data taken from various USENET sites.
>At the end of this message there is a short explanation of the measurement
>techniques and the meaning of the various statistics. The messages that
>follow this one show survey data sorted by various criteria.
>
>The complete set of readership data (of which this is a summary) is posted
>in news.lists. The software that will let your site participate in the
>survey is in comp.sources.d and news.admin
>
>			Brian Reid
>
>
>OVERALL SUMMARY:
>                             This            Estimated
>                            Sample         for entire net
>Sites:                     1090                56000
>Fraction reporting:        1.95%                 100%
>Users with accounts:     240884             12375000
>Netreaders:               53935              2770000
>
>Average readers per site:                          49
>Percent of users who are netreaders:            22.39%
>Average traffic per day (megabytes):           38.628
>Average traffic per day (messages):             15768
>Traffic measurement interval:    last              28 days
>Readership measurement interval: last              75 days
>Sites used to measure propagation:               1089
>
>From: reid@decwrl.DEC.COM (Brian Reid)
>Newsgroups: news.lists
>Subject: USENET Readership report for Aug 92
>Date: 3 Sep 92 05:10:10 GMT
>
>This is the full set of data from the USENET readership report for Aug 92.
>Explanations of the figures are in a companion posting.
>
>        +-- 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/rdr
>        |     |     |      |      |      |    |      +-- Share: % of newsrders
>        |     |     |      |      |      |    |      |   who read this group.
>        V     V     V      V      V      V    V      V
>   1 300000  6524   83%   871  1706.4    26%  0.01  12.1%  misc.jobs.offered
>   2 270000  5912   82%  1513  1879.2    30%  0.02  11.0%  misc.forsale
>...
>  77  86000  1866   72%  2232  4819.6    15%  0.11   3.5%  soc.culture.china
> 198  57000  1237   71%   551  1006.3     7%  0.03   2.3%  soc.culture.hongkong
> 208  56000  1210   70%   835  1509.4    17%  0.05   2.2%  soc.culture.taiwan
>1257   8000   172   26%   199   712.1     2%  0.06   0.3%  talk.politics.china
>1505   4100    89   13%    75  1043.4     0%  0.09   0.2%  aus.culture.china