Of the 729 tonnes of Zyklon B sold in Germany in 1942–44, 56 tonnes (about 8 percent of domestic sales) were sold to concentration camps.
Das 729 toneladas de Zyklon B vendidas en Alemaña entre os anos 1942 e 1944, 56 delas (un 8% das vendas domésticas) vendéronse ós campos de concentración.