Accessing the database

The database is available free of charge to qualifying researchers. It may be used only for scientific, non-commercial purposes. To obtain access to the database, a proposal describing the planned use of the data and a formal obligation has to be submitted by the applicant. The proposal and formal obligation form can be found here>>>. (The German version is binding; however, we include an English translation for your convenience>>>.)


Please fill out the form and send a scan to Once we have received and accepted the proposal, we will provide further instructions on how to download the database.