German Federal Environment Agency (UBA) publishes GVM’s study “German-wide Survey on Beverage Consumption filled in Reusable Packaging in 2019”
41.8% of the beverages consumed in Germany in 2019 were filled in reusable packaging. That is 0.6 percentage points higher than in the previous year. The full report is available for download from the German Environment Agency UBA. You can read more information in the GVM-Focus: Reusable Rate 2019.