The IAB (Institut für Arbeitsmarkt- und Berufsforschung) has updated its APC expenditures, the latest contribution provides data for the 2019 period. The report also covered cost data on hybrid articles published under the DEAL agreement with Wiley.

The Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) has updated its APC expenditures, the latest contribution provides data for the 2020 period and some more articles for 2019.

The Couperin consortium collects data on APC expenditures from universities and other research institutions in France.

The GEOMAR - Helmholtz Centre for Ocean Research Kiel has provided more APC expenditures for the 2018 and 2019 period.

The Technische Universität Wien has updated its APC expenditures, the recent contribution by TU Wien’s University Library provides data for the 2020 period.

The ETH Zurich has updated its APC expenditures, the latest contribution provides data for the years from 2012 to 2019.

Chemnitz University of Technology has updated its APC expenditures, the latest contribution provides data for the 2020 period.

The Carl von Ossietzky University of Oldenburg has updated its APC expenditures, the latest contribution provides articles for the years 2020 and 2021.

New APC data has been harvested from the institutional repository of Regensburg University, which had shifted to APC data provision via OAI-PMH four years ago.

The Charité – Universitätsmedizin Berlin has updated its APC expenditures, providing data for the 2020 period.