Source: report of Levada Centre (the Russian Jewish Congress survey of perceptions of antisemitism among Jews of Russia): Gudkov, L., N. Zorkaya, E. Kochergina, E. Lezina. 2018. Perceptions of antisemitism by Jews of Russia: project report. Moscow: Levada Centre.
Quote as: Daniel Staetsky, Jewish World in Data and the actual source appearing in the caption.