Notes:
German data are based on six regions only (Bavaria, Brandenburg, Berlin, Hesse, Mecklenburg-Western Pomerania and Thuringia).
Turkish data are based on one major city in each of six different regions (Adana, Ankara, Diyarbakir, Istanbul, Izmir and Samsun).
Perceived great risk is defined as the those answering that they think there is a great risk of people risk harming themselves, physically or in other ways, if they: a) try cocaine or crack once or twice b) take cocaine or crack regularly.
Source:
Hibell et al., 2004