The sixth edition, covering the years 2011 – 2016, has been published in 2021. The main edition (published in 2021) can be found here (PDF). The original data can be found here (PDF).
Key Findings
The key findings of the sixth edition can be found here (PDF).
Corrigendum
Page VI: instead of: “Poland: Beata Gruszczynska, University of Warsaw” it should read: “Poland: Beata Gruszczynska and Paweł Ostaszewski, University of Warsaw”.
