# Welcome to Hea

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.

# Some numbers from the 534 libraries sharing data

In total, the 534 libraries have 34.483.002 biblios. The library with the highest amount of biblios has 1.019.107, and the library with the lowest number has 0. The average is 64.454,21.

They have a total of 36.031.750 authorities. The largest number of authorities is 1.855.429, the smallest number is 0. The average is 67.349,07.

They have a total of 47.172.971 items. The highest amount of items is 1.327.902, the lowest amount is 0. The average is 88.173,78.

They serve a total of 5.656.892 patrons. The highest number of patrons served is 216.327, the lowest number is 0. The average is 10.573,63.

They issue a total of 146.070.382 books. The largest amount of books issued is 9.384.321, the smallest amount is 0. The average is 273.028,75.