https://www.emcdda.europa.eu/news/2023/ ... -trends_en
• Cannabis: The highest loads of the cannabis metabolite THC-COOH were found in western and southern European cities, particularly in Czechia, Spain, the Netherlands and Portugal. In 2022, diverging trends were seen (18 cities out of 38 reported a decrease since 2021, 15 an increase and five a stable situation).