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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 541 1 - 1 -
Biblios 34.858.240 1.019.107 104.661 64.078 23.787
Authorities 35.151.929 1.855.429 166.000 64.618 8.167
Items 47.118.848 1.327.902 166.079 86.616 29.187
Patrons 5.524.116 221.943 24.383 10.155 1.661
Issues 141.287.221 8.875.255 825.423 259.719 7.943