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This website displays Koha ILS usage statistics. With permission from the libraries, the following data has been collected from their installed systems. Any information not stored anonymously has been allowed by the library.

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Some numbers from the libraries sharing data
Total Largest Standard deviation Average Median
Libraries 1.640 139 - 2 -
Biblios 58.416.938 1.204.222 111.282 58.534 17.037
Authorities 58.486.507 1.935.064 148.384 58.604 5.424
Items 80.868.583 1.346.425 179.692 81.031 20.572
Patrons 7.987.167 235.495 20.437 8.003 832
Issues 222.366.429 12.409.711 864.405 222.812 4.018