Source: European Central Bank (ECB).
(+) numbers mean purchases of the foreign (non-DEM) currency, (-) numbers mean sales of the foreign (non-DEM) currency. Unpublished data.
Source: Deutsche Bundesbank
Release: German Foreign Exchange Intervention
Deutsche Bundesbank, German Intervention: Bundesbank Purchases in EMS Markets (Millions of DEM) [DEINTDEMS], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/DEINTDEMS/, September 1, 2015.