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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 2.485 139 - 2 -
Biblios 71.086.963 1.204.222 110.524 57.607 16.171
Authorities 78.554.361 1.935.064 149.325 63.658 5.925
Items 100.200.855 1.359.258 184.950 81.200 19.260
Patrons 11.437.465 258.210 26.207 9.269 791
Issues 294.337.521 13.044.980 913.752 238.523 4.086