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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 2.019 139 - 2 -
Biblios 61.646.762 1.204.222 107.619 56.094 15.774
Authorities 66.260.932 1.935.064 144.236 60.292 5.845
Items 84.608.147 1.353.470 172.836 76.986 19.066
Patrons 9.095.058 239.358 22.468 8.276 782
Issues 245.133.376 12.455.486 873.166 223.051 3.900