Statistics for Institutional Repositories

Yesterday Chris Rusbridge sent a message to the JISC-REPOSITORIES JISCMail list which generated some interesting discussion. His message on “Repository use statistics”  asked “Does anyone have any good sources for comparative statistics on the use made of institutional repositories?” Amongst the responses was this from Frederic MERCEUR who is based at the Bibliothèque La Pérouse in France:

Location of the 2010 users, outside of Ifremer, who downloaded some documents written in English available in our repository:
United States : 14%
France : 12%
India : 6%
China : 5%
United Kingdom : 4%
Spain : 3%

Ranking of the main access paths to the documents available in our repository :
Google    : 76,2%
Google scholar : 5,5%
Archimer : 5,4%
Yahoo : 1,4%
Ifremer search : 0,6%
Scientific commons : 0,5%
Bing : 0,5%
Avano : 0,2%
Others : 10,0%

Number of download each month per document in 2010:
Publications (>1990) : 5,7
Publications (<1990) : 7,3
Reports : 8,0
PHD Thesis : 20,5

Hmm, over 76% of the hits come from Google. Does this mean that the main benefit provided by IR work is in providing cool URIs for Google to index?

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