The EMCCDA is a EU agency which “exists to provide […] a factual overview of European drug problems and a solid evidence base to support the drugs debate” (https://www.emcdda.europa.eu/about_en). A total of 30 member states regularly provide data to the EMCDDA, which are presented in their ‘Statistical Bulletin’ [35], and are summarized in the annual European Drug Report [2]. We selected the following to be relevant for public health monitoring, none of which are provided with uncertainty intervals:
