OpenAIRE's usage statistics service tracking code is maintained on Github as a patch for various versions of DSpace (https://github.com/dimitrispie/OpenAIRE-Piwik-DSpace) and as an Eprints plugin for version 3 (https://github.com/dimitrispie/EPrints-OAPiwik).
Please, change the configuration files with the following values, generated for your site:
Details for the configuration files are given in the README of the tracking code.