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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 2.105 139 - 2 -
Biblios 62.493.245 1.204.222 107.098 55.947 15.774
Authorities 67.598.865 1.935.064 145.312 60.518 5.845
Items 85.706.068 1.355.343 171.872 76.729 19.066
Patrons 9.565.888 240.879 23.081 8.564 788
Issues 248.284.019 12.455.486 869.651 222.278 3.866